# Comparing follow-up report content

To see what has been changed in a follow-up report, go into the report by clicking the Worldwide Unique ID (WWUID).

1. Click the **`Compare`** button in the top menu.
2. This will open a new window where you have two versions of the report displayed with the newer version on the right.
3. Use the dropdown menus at the top to select which versions to compare. Follow-ups received from companies are marked “**`Imported`**”, whereas any other change to the report will be marked “**`Edited`**”.


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