Windows 10: Backup only new or changed files?
Backup only new or changed files?
As I understand it, Windows 10 backup writes every file from every folder you select to the backup drive. Is there any option, or other backup software, that uses the file status bit (if that's what it's called) to only backup those files that are new, or changed, since the last backup?
My objective is have an external drive that is essentially an updated version of my internal drive, but not to create complete backup sets of everything - and therefore taking much longer to backup, as well as using up external drive space much faster, and having to delete past complete backup sets.
I found nothing in the linked video on File History that answers my question. My past use of Win 10 backup has always created a new backup set equal in size to the last one, and telling me not enough space on backup drive to complete. So I had to delete the prior backup set and start again. 2TB backup drive, and 900GB backup set. I am backing up a primary external drive, also 2TB in size with about 900GB on it. Hence my belief it is coping all files, not just new ones or changed ones, which would only be about 10-20MB in size.
I could not find any similar explanation on how FreeFileSync handles their copies.
I'm sorry, I misunderstood what you wanted to do. What you want is called incremental backup. Macrium Reflect Free offers that function:
Macrium Reflect Free
Bingo! That's what I want. Setup under way. THANKS
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