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Change history
Get a full, automatic change history
When you pause or edit an ad from Ad testing > Single ad group, the test result is archived automatically. This means you have a full history of the changes you made.
If you haven't made any changes, you can still archive the test result manually.
Archived test results will record all changes from both the automated or manual test result screens. The results are visible at the account, campaign or ad group level.
