Files and folders in ~/Library/Application Support/BetterTouchTool

Discussion & Questions
1

I see there are several folders and files in ~/Library/Application Support/BetterTouchTool。
What are they used for?
Which folders/files can I delete?

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2

Here are the files in Backup and Files folders.

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3

You should not delete the files, they belong to the BTT database. E.g. the BTT clipboard manager does save its data here.

You can delete the backups if you want.