https://www.bitreplica.com/
BitReplica - Tool for backing up files stored on your Windows PC
Protect important documents, photos and any other data on your PC by backing it up with BitReplica
backing up files
https://library.ed.ac.uk/heritage-collections/collections-and-search/archives/digital-archives-and-preservation/considering-donating-a-digital-collection/guidance-for-external-donors/backing-up-files
Backing up files | Library | Library
It is wise to have a backup copy of your files to protect against loss from accidental deletion, viruses and theft but also to protect against loss from power...
backing up fileslibrary