What do you mean? Like in the project? You can go into SER's AppData folder ( C:\Users\**YourUsernam**\AppData\Roaming\GSA Search Engine Ranker ) and delete the projects .success and .verify files.
Or you could duplicate all the projects at once using "just data/options" option and then delete the originals.
If you're talking about sitelists, then that's already a feature. Just uncheck the build sitelists option in Options-->Advanced
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Or you could duplicate all the projects at once using "just data/options" option and then delete the originals.
If you're talking about sitelists, then that's already a feature. Just uncheck the build sitelists option in Options-->Advanced