Code42 app reference
Available in:

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Overview
The Code42 app allows you to back up your device, change backup settings, and download backed up files from all the devices on your account. This guide provides a description of settings and features in the Code42 app.
Home
From the upper-left corner of the Code42 app, click Home to open default view of the app.

| Item | Description | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a | Home | Displays the default view of the Code42 app. | ||||||||||
| b | Downloads | Opens a queue of active, pending, and complete downloads in the Code42 app. | ||||||||||
| c | Device status summary |
Indicates a high-level status of the device's backup.
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| d | Device name | Name of each of your devices. The device name can be modified from Device preferences > General. | ||||||||||
| e | Details | Opens a view that displays status information for each backup set and destination on the device with options for configuring this device's backup settings. | ||||||||||
| f | Get Files | Opens a view that allows you to view and download files backed up for the device. | ||||||||||
| g | Other devices | List of all other devices on your account. | ||||||||||
Details
From Home, click Details to view additional information and options for the current device.

| Item | Description | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a | Device name | Name of your current device. Device name can be changed from Device preferences > General. | ||||||||||||||
| b | Device details menu | Contains options for this device. | ||||||||||||||
| c | Get Files | Opens file browser for viewing and downloading files backed up for this device. This button is hidden if you do not have permission to access your backed up files. | ||||||||||||||
| d | Backup set name |
Name of the backup set. By default, backup set name is based on your device name.
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| e | Backup set size |
Size of the backup file selection for the backup set.
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| f | Manage Files | Opens file browser for viewing and updating the files and folders on this device included in a particular backup set. | ||||||||||||||
| g | Backup set settings button | Opens a view that allows you to view and manage settings for the backup set. | ||||||||||||||
| h | Backup destination status icon |
Indicates status of backup to this destination:
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| i | Backup destination name | The name of backup destinations in use for the backup set. | ||||||||||||||
| j | Backup destination status message | Describes detailed status information about the backup destination. | ||||||||||||||
| k | Run backup now | Starts backup on a destination that is waiting for its next scheduled backup. Once initiated, backup continues until it's complete, even if it extends beyond the scheduled end time. This option is unavailable outside of your backup schedule. | ||||||||||||||
| l | Pause |
Pauses backup to the destination for 24 hours. |
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Device details menu
From Details, click the arrow next to your device name to open the device details menu.
| Command | Description |
|---|---|
| Device preferences | Opens device preferences. |
| Add backup set... | Opens a view for creating a new backup set for the current device. |
| Deactivate device... | Removes this device from your account completely. Backup data is deleted from the device's destinations. |
Get files
From Home or Details, click Get Files to browse, search, and download files backed up for a device.
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| Item | Description | |
|---|---|---|
| a | Device name | Name of the device where the files shown originated, sometimes referred to as the source device. |
| b | Destination | Displays the destination where the files shown were backed up. |
| c | Destination menu | Lists available destinations for this device. Offline destinations are dimmed and unavailable. |
| d | Search |
Opens a search view for locating files and folders by keyword or phrase.
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| e | As of Date |
Opens a calendar for filtering files and versions by a particular date.
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| f | Options menu | Opens the options menu for including deleted files and showing hidden files in the file browser. |
| g | Breadcrumb overflow menu | Opens a menu listing folders in your backup that precede the folders currently displayed in the breadcrumb. Click a folder name to navigate to that folder. |
| h | Breadcrumb | Displays the current folder or file and up to two folders leading to it. Click a folder name in the breadcrumb to navigate to that folder. The breadcrumb tracks the folder hierarchy within your backup. |
| i | Name | File or folder name of a backed up file. Click to sort by name. |
| j | Size | Size, in bytes, of backed files. |
| k | Date Modified | Date that the file or folder was last modified on the file system. |
| l | Previous version selected | Indicates that a previous version of the file is currently selected for download. |
| m | Download |
Displays when you mouse over a file. On click, immediately downloads:
|
| n | Versions | Displays when you mouse over a file. On click, opens a view including all backed up versions of the file. |
| o | Selected file or folder |
Indicates that a file or folder is selected for download:
|
| p | Deleted file | Indicates a file deleted from the file system. From the Get Files Options menu, Include deleted files must be enabled before deleted files display in the file browser. |
| q | Count of files selected | Displays a count and size for files currently selected for download. |
| r | Done | Exits the Get Files view, and returns you either to the Home or Details view. |
| s | Get Files | Opens download options for selected files. Get Files is dimmed until at least one file or folder is selected for download. |
Get files Options menu
From Get Files, click the options menu (
) to display more options for viewing and downloading backed up files.
| Command | Description |
|---|---|
| Include deleted files |
Displays or hides deleted files. When enabled, downloaded folders include any deleted files in that folder. |
| Show hidden files | Displays or hides hidden temporary and system files. Hidden files are always included in downloaded folders, regardless of whether the setting to view them is enabled. |
File versions
From Get Files, mouse over a file and click the versions icon (
) to see all versions backed up for that file. To exit file versions, use the breadcrumb to navigate back to all files.

| Item | Description | |
|---|---|---|
| a | File name | Name of the file for the versions shown. Click the preceding file name to exit the file versions view. |
| b | Date Modified | Date and time that a file version was modified on the device's file system. |
| c | Size | Size, in bytes, of file version backed up. |
| d | Last Backed Up | Date and time that the file version was backed up. |
| e | Selected | Version selected for download. You may only download a single version at a time. |
| f | Current | Displays the latest version of the file. The current version may not be the same as the most recently backed up and modified version. This occurs when an earlier version is downloaded to the original location and overwrites the existing file. The restored version has an earlier Date Modified and Last Backed Up date than other versions, but it is now the most "current" version on the device's file system. |
| g | Done | Exits the Get Files view and returns you either to the Home or Details view. |
| h | Get Files | Opens download options for selected files. Get Files is dimmed until at least one file or folder is selected for download. |
Get files options
From Get Files for a device, click the Get Files button to open options for downloading selected files.

| Item | Description | |
|---|---|---|
| a | Save selected files to |
Sets the download location for the selected files.
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| b | If file already exists |
Specifies whether you want existing files (files that are on your device right now) renamed or overwritten when a file matching the file name downloads to the same location.
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| c | Permissions |
Specifies whether downloaded files should inherit their original file permissions or inherit permissions belonging to the current user/device. By default, set to current permissions. |
| d | Cancel | Exits the Get Files Options view and returns to the Get Files browser. |
| e | Go | Adds selected files to Downloads using the selected settings. If settings were modified, your changes are maintained until you exit the Get Files view or you close the Code42 app. |
Downloads
From the upper-right corner of the Code42 app, click Downloads to open Download Activity.

| Item | Description | |
|---|---|---|
| a | Clear all | Removes completed downloads from the list of Download Activity. |
| b | Queued | Files queued for download display. Files are downloaded in the order that they are added to the queue. |
| c | Download status | Total bytes completed and remaining for an active download. |
| d | Pause/resume download | Pauses or resumes an active download. |
| e | Show folder |
On mouse over, displays the option to open the location where files are downloaded.
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| f | Clear | On mouse over, displays the option to remove a completed, in process, or pending download from the list of Download Activity. |
Manage files
From Details, click Manage Files for a backup set to view the file selection for the selected set. If your administrator prevents editing of the file selection, you can browse, but not modify, your file selection.

| Item | Description | |||||||
|---|---|---|---|---|---|---|---|---|
| a | Backup Set Name | Name of the backup set for the file selection shown. | ||||||
| b | Options menu | Opens the options menu for showing hidden files in the file browser. | ||||||
| c | Breadcrumb overflow menu | Opens a menu listing folders on your file system that precede the folders currently displayed in the breadcrumb. Click a folder name to navigate to that folder. | ||||||
| d | Breadcrumb | Displays the current folder and up to two additional folders leading to it in your backup file selection. The breadcrumb tracks the folder hierarchy within your file selection. Click a folder name in the breadcrumb to navigate to that folder. | ||||||
| e | Name | File or folder name on your device's file system. Click to sort by name. | ||||||
| f | Size | Size, in bytes, of the file on your device's file system. Click to sort by size. | ||||||
| g | Date Modified | Date that the file or folder was last modified on the file system. Click to sort by date modified. | ||||||
| h | Selected |
Indicates that a file or folder is selected for backup:
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| i | File icon |
Indicates more information about a particular file or folder:
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| j | Cancel | Discards any changes to the file selection and exits the Manage Files view. | ||||||
| k | Save |
Saves changes to the file selection. Code42 prompts you to confirm changes that delete files and folders from your backup archive. |
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Manage files Options menu
From Manage Files, click the options menu (
) to display more options for viewing files in your file selection.
| Command | Description |
|---|---|
| Show hidden files | Displays or hides hidden temporary and system files. Hidden files are always backed up, regardless of whether or not the setting to view them is enabled. |
Backup set settings
From Details, click the backup set settings button (
) to view and change settings for the backup set.

| Item | Description | |
|---|---|---|
| a | Backup Set Settings menu | Opens the Backup Set Settings menu. |
| b | Backup set name |
Name of the backup set. By default, the backup-set name is based on your device name.
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| c | Delete |
Deletes the backup set and all its backup archives on all destinations.
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| d | Backup Schedule |
Sets the times when the Code42 app can back up files.
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| e | File Exclusions |
Excludes files from backing up based on file name, extension, or regular expression.
Shared destinations
If multiple backup sets share a destination, then file exclusions specified for any backup set impact all sets backing up to that destination. |
| f | Destinations |
Sets the locations where backup data is sent and stored.
|
| g | Priority | Sets the sequence in which the selected backup set runs for this device. If a set backs up to multiple destinations, the Code42 app prioritizes completion to a single destination for each set before backing up to additional destinations. |
| h | Done | Closes Backup Set Settings and returns to the device's Details view. |
Backup set settings menu
| Command | Description |
|---|---|
| Scan for file changes | Scans your device for file changes and deleted files within your backup selection. |
Device preferences
Many settings in Device Preferences can be configured and locked by your administrator. If a setting is locked, then it is not displayed in the Code42 app. If all the settings on a tab are locked, the tab is not displayed in the Code42 app.
General
From the device details menu, select Device preferences. Click General to view and manage settings for your device.

| Item | Description | |
|---|---|---|
| a | Device Name | Name of the device you are currently using. |
| b | Rename | Renames the device you are currently using. Your device must have a name. |
| c | Device ID | Identification number assigned by the Code42 app to this device. The Code42 app uses a unique sequence of numbers to distinguish one device from another and to facilitate the backup and download processes. |
| d | Language |
Sets the language in which the Code42 app displays. Automatic - Code42 displays the default language specified by your operating system. When you change the language, the Code42 app starts logging history in the new language. Therefore, the history log might contain entries in multiple languages. |
| e |
Show Code42 status in menu bar Mac only |
Indicates backup in progress in the menu bar. |
| - |
Display Code42 icon in notification area Windows only |
Displays the icon in the notification area. |
| f | Open Code42 in menu bar on login Mac only |
Launches the menu bar app when you log in to your device. |
| - | Display Code42 icon in notification area on login Windows only |
Displays the icon in the notification area when you log in to your device. |
| g | Manage account on the web | Opens your default web browser to the administration console, where you can manage your account online. |
Usage
From the device details menu, select Device preferences. Click Usage to view and manage settings for your device.

| Item | Description | |
|---|---|---|
| a | Alert me if this device is not backed up for | Sets the number of consecutive days of not backing up before a destination displays an alert in the Code42 app. Your administrator may also configure email alerts to be sent after the period specified. |
| b | Remind me again if this device still is not backed up after | Sets the number of days after the initial alert that an email may be sent to notify you that the Code42 app is not backing up. Your administrator may disable email alerts. |
| c | User is away when not active for | Sets the number of minutes of inactivity before you are considered “away” from the device. |
| d | When user is away, use up to |
Sets the percent of CPU that the Code42 app may use when you are away from the device. The CPU usage cannot be lower than 10%.
Windows only The Code42 app relies on mouse and keyboard activity to detect if you are using your device. It may take up to 30 seconds to detect a change in status. |
| e | When user is present, use up to |
Sets the percent of CPU that the Code42 app may use when you are using the device. The CPU usage cannot be lower than 10%. |
| f | Stop backup when battery reaches | Sets the percent of remaining battery power at which backup automatically pauses to conserve power on laptop devices. |
| – | Perform shallow maintenance every | Indicates how often shallow maintenance runs for local archives, which checks the health of the archive, and prunes versions and deleted files. This scan completes faster than the deeper maintenance. Maintenance of cloud destinations is configured by your administrator. |
| – | Perform deep maintenance every | Indicates how often deep maintenance runs for local archives, which uses checksum of all data blocks to verify health of archive. This scan automatically occurs on each block silo that is able to reclaim space. |
Destinations
From the device details menu, select Device preferences. Click Destinations to view and manage settings for your device.

| Item | Description | |
|---|---|---|
| a | Cloud | Lists cloud destinations that backup sets on this device are able to back up to. |
| b | Local | Lists local destinations that backup sets on this device are able to back up to. |
| c | Destination name | The name of the destination shown. |
| d | Space used | Amount of space this device's archive is storing on the destination shown. |
| e | Run maintenance | Reclaims space in the backup archive by immediately applying file selection or retention policy changes (such as how many versions to keep and how long to keep deleted files). |
| f | Quota | Amount of space allocated for your backup archive on this destination. Your administrator may configure a space limit. Automatic means that there are no space restrictions. |
| g | Add destination | Opens a file browser for adding a local destination, such as an external drive or folder. |
| h | Delete destination | Stops backup to a local destination and deletes all the archives stored on it. The destination is no longer available to backup sets. Deleting a destination cannot be undone. |
| i | Delete Archive |
Deletes the archives for this device on the destination shown.
|
Network
From the device details menu, select Device preferences. Click Network to view and manage settings for your device.

| Item | Description | |
|---|---|---|
| a | Bandwidth WAN |
Bandwidth limit to destinations external to your local network when you are using (present) and not using (away from) your device.
Windows only: The Code42 app relies on mouse and keyboard activity to detect if you are using your device. It may take up to 30 seconds to detect a change in status. |
| b | Bandwidth LAN |
Bandwidth limit to destinations on your local network when you are using (present) and not using (away from) your device. Minimum recommended sending limits
When setting network sending limits, do not set a rate lower than 0.10 Mbps or 100 Kbps. Rates lower than 0.10 Mbps can prevent devices from communicating with the Code42 server, which can stop backups and future configuration changes. To stop backup entirely, do not adjust sending limits. Instead, you can pause backup or only allow backups at specified times. Windows only: The Code42 app relies on mouse and keyboard activity to detect if you are using your device. It may take up to 30 seconds to detect a change in status. |
| c | Wireless network exclusions |
Disables backup when your device is connected to an excluded wireless network SSID. Unless a network's SSID is explicitly excluded, backup is allowed over all wireless networks. |
| d | Network interface exclusions | Disables backup when your device is connected to an excluded network interface. Unless a network interface is explicitly excluded, backup is allowed over any connected network interface. A network interface must be connected before it can be disabled; however, once an interface is disabled, it remains disabled in the Code42 app unless specifically re-enabled. |
| – | Proxy | Configures proxy settings to allow the Code42 app to connect to the Internet via a proxy server. |
| – | Server Address | Primary and secondary network address for your Code42 server. |
Ports
The Code42 app requires the following ports to communicate with your backup destinations.
| Port(s) | Protocol | Destination | Description |
|---|---|---|---|
| 4242* | TCP | device | (Default) Listening port between devices on the same account. |
| 4243* | TCP | localhost | (Default) Used by the Code42 app to connect to the Code42 service. |
| 443 | TCP | Code42 cloud | (Required) Used by the Code42 app to connect to the Code42 cloud. |
* Depending on your configuration, alternative ports may be used. To find the ports used on your device, identify the ports used by the Code42 app.
Security
From the device details menu, select Device preferences. Click Security to view and manage settings for your account.

| Item | Description | |
|---|---|---|
| a | Require account password to open the Code42 app | Indicates whether you must sign in using your account password when launching the Code42 app. |
| b | Account Encryption Key Security |
Opens a prompt to upgrade or change your account encryption key security setting. |
| c |
Account Encryption Key Security Level |
Indicates the level of security used to protect the encryption key for your devices. This setting applies to all of the devices on your account.
|
Account encryption key security
From Account Encryption Key Security, select Upgrade to see options for creating an archive key password or custom key.

| Item | Description | |
|---|---|---|
| a | Account Password |
Selects the default encryption key security setting. You or your administrator can restore files without providing an additional password. |
| b | Archive Key Password |
Displays options for creating an archive key password:
When enabled, you or your administrator can restore files only by providing the correct archive key password.
If you choose this option you will not be able to downgrade your security. |
| c | Custom Key |
Displays options for creating a custom key:
When enabled, you or your administrator can restore files only by providing the custom key. The custom key cannot be reset if it is forgotten or lost. Without the custom key, backup data is unrecoverable.
If you choose this option you will not be able to downgrade your security. |
Add backup set
From the device details menu, select Add Backup Set to create a new backup set for the current device.

| Item | Description | |
|---|---|---|
| a | Backup set name | Name for the new backup set. By default, the Code42 app assigns a name using your device name. |
| b | Rename | Renames the backup set you are creating. Your backup set must have a name. |
| c | File Selection | Opens Manage Files for adding files and folders on this device to the new backup set. You must select at least one file to add a backup set. |
| d | Destinations |
Sets the locations where backup data is sent and stored for this backup set.
|
| e | Cancel | Discards changes and returns you to Details. |
| f | Add Set | Adds a new backup set using the settings selected. You must select a name, file selection, and destination before a backup set can be added. |
History
History provides a log of your backups and shows the Code42 app's current activity. Open History from your menu bar:
- Windows: Tools > History
- Mac: Window > History

| Item | Description | |
|---|---|---|
| a | Date | Date and time of backup activity. |
| b | Message | Description of backup activity. |
| c | Backup set name | Name of the backup set that corresponds to the activity described in the message. |







A file, or a folder and all of its subfolders, is currently selected.
One or more subfolders within the folder is currently selected.

