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## 5.11.7 Merging Changes from a Working Copy into Main

Merge changes from a Working Copy into the Main application.

To merge changes from a Working Copy into the Main application:

1. View the Working Copy:
   1. On the Workspace home page, click the App Builder icon.
      The App Builder home page appears.
   2. Select the Main Application.
      The Application home page appears.
   3. Under Working Copies on the side bar, select a copy to view.
      The Working Copy appears. Note that the Working Copy Name displays next to the application name.
2. Make changes to the Working Copy.
3. To merge changes into the Main application:
   1. Click the Working Copy: Name menu and select Merge into Main.

      Tip:

      You can also select Merge into Main from the side bar. Alternatively, if viewing a page in Page Designer, click the Working Copy:Name menu and select Merge into Main.

      App Builder exports the Main application and Working Copy and compares the two versions. The Merge Project Name into Main dialog appears summarizing what has been changed, added, or is missing.

      Description of the illustration merge_working_copy_into_main1.png
   2. To view a Diff of the changes, click the Compare Changes icon.
      The View Differences window appears. Click Close to exit the window.
   3. To exclude a change, deselect the row.
   4. To continue, click Next.

      The Merge Project Name into Main dialog now includes two new options appears:

      - Backup target app first
      - Delete Working Copy after merge
      Description of the illustration merge_working_copy_into_main2.png
   5. Configure Backup target app first and Delete Working Copy after merge as appropriate and click Confirm Merge.

      The Application home page appears and displays the message:

      `Your changes have been successfully merged!`

Parent topic: Creating a Working Copy to Merge, Refresh, or Compare