How to exclude categories in Revive Old Post

Here are the steps to exclude categories in ROP:

1. Go to WordPress Admin Dashboard > Revive Old Post > Dashboard.

2. Under General Settings tab, you'll see this option: 

By default the "Exclude" option is not selected. Check the Exclude? option and click on "Categories" to populate your categories. Any categories selected from the list will be Excluded.

If you do not check the Exclude? option:

Then ONLY the categories selected will be shared, and all other categories will be ignored.