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You can either stop the MySQL and Apache services and then backup the entire c:\xampplite (later c:\xampp) directory or only backup the c:\xampplite\open-audit directory. You don't really need all of the XAMPPLite Xampp directories as you can simply use the reinstall at a later stage. If you backup your open-audit directory you will have the config files as well as any uploaded attachments.
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