Archive bit usage

What is archive bit?

Archive bit is one of the file attributes supported by file system. System will automatically set archive bit whenever you change this file or when you create new file. So meaning of this attribute can be considered as "file needs backup".

How can you use it?

When you set "Use archive bit" in advanced file filters with Synchronize It, it will copy only files where this bit is set. In addition, it will clear this bit whenever file is copied. As result, you can easily arrange incremental backup scheme, when each folder will only have backup of files modified since last backup.

As an example, here is simple command line to automatically create daily backup archives:

wndsync.exe c:\project d:\back%D%M.zip /A /AUTO

This command line will automatically create archives with date in filenames, like back0901.zip for September 1. Each archive will have files modified since last backup.