Richard Hart wrote: >> I thought there were backup apps that actually could >> backup only the data that was different in the file. > > Not that I'm aware of. Incremental backup is for FILES that > have changed, not data inside a file.
You might like to have a look at QRecall <http://www.qrecall.com> which is almost at the end of beta testing. Among its features is: > Captures Data, not Files· QRecall uses powerful data > analysis to capture only the changes made to each file. > Unlike file-based backup software, QRecall compares the data > in every file to the data already in the archive and only > stores the new data. When a log file, database, audio/video > file, or graphics project is changed, often only a tiny > fraction of the file contains new data. Traditional backup > techniques duplicate the entire file, wasting gigabytes of > disk space. I've been using it for a few weeks now. There have been some minor glitches which the author has corrected swiftly. Remember though that it is beta software so perhaps safest not to commit to it entirely at this time. -- Charles
