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To All Retrospect Users, can you please read the following feature suggestion and offer a +1 vote response if you would like to see this feature added in a future version of Retrospect? If you have time to send a +1 vote to the Retrospect support team, that would be even better. Thank you! I contacted Retrospect support and proposed a new feature which would avoid redundant backups of renamed files which are otherwise the same in content, date, size, attributes. Currently, Retrospect performs progressive backups, avoiding duplicates, if a file's name remains the same, even if the folder portion of the name has changed. However, if a file remains in the same folder location and is merely renamed, Retrospect will backup the file as if it's a new file, duplicating the data within the backup set. This costs time and disk space if a massive number of files are renamed but otherwise left unchanged, or if the same file (in content, date, size, attributes) appears in various places throughout a backup source under a different name. If this proposed feature is implemented, it would allow a Retrospect user to rename a file in a backup source which would not subsequently be redundantly backed up if the file's contents, date, size, attributes did not change (i.e., just a file name change doesn't cause a duplicate backup). I made this suggestion in light of renaming a bunch of large files that caused Retrospect to want to re-backup tons of stuff it had already backed up, merely because I changed the files' name. I actually mistakenly thought Retrospect's progressive backup avoided such duplication because I had observed Retrospect avoiding such duplication when changing a file's folder. For a folder name change, Retrospect is progressive and avoids duplicates, but if a file is renamed, Retrospect is not progressive and backs up a duplicate as if it's a completely new file. If you +1 vote this suggestion, you will be supporting the possible implementation of a feature that will let you rename files without incurring a duplicate backup of each renamed file. This can allow you to reorganize a large library of files with new names to your liking without having to re-backup the entire library. Thanks for you time in reading this feature suggestion.