Starting Code42 (CrashPlan) backup service for end users


The purpose of this document is to list the steps for starting Code42 (CrashPlan) on your computer after your account has been made. These steps can help confirm that your computer is backing up properly after receiving a message from Code42 stating that your computer may not be up to date with its backups.


  • CrashPlan account
  • Mac or Windows computer
  • Network connection


  1. Launch the Code42 application.
    • Windows: Click the Start menu, type Code42 into the search box and press ENTER.
    • Mac: In spotlight search, type Code42 and select the Code42 App.
  2. Click Existing Account.
  3. Type your full U-M email address and password.
  4. The Server Address should automatically fill in. If it did not, enter
  5. Click Continue.
  6. Next, you will be prompted to sign in to U-M Microsoft Office 365 with your full UMICH email address and UMICH password (or shared account password, if applicable)
  7. Verify your account is set to back up. Set it if it's not.
  8. Click on Manage Files.
  9. Verify the check box next to your uniqname is checked. Check it if it's not.
  10. Click Save.

Important for Personal Computers or Non-University builds! Users with macOS 10.14 Mojave and newer (Catalina 10.15, Big Sur 11, Monterey 12) must complete the following additional steps in order to modify your Code42 settings and back up your data.

  1. Open System Preferences.
  2. Select Security and Privacy.
  3. Click on the Privacy tab.
  4. Click on Full Disk Access (to the left).
  5. Check the box for Code42.
  6. Reboot your computer.

It will automatically start backing up your Home folder and you should be all set. You can close the program and from this point on it will automatically be backing up in the background all the time. You don't have to login again unless you want to check on status or change a configuration.

Additional notes


Article ID: 1841
Wed 5/27/20 11:27 AM
Mon 9/19/22 10:41 AM