FreeFileSync Forum

I conducted some other tests. I have two different SSDs installed in my PC (Samsung, Intel) and the behavior is on both the same. If I use external devices this does not happen. So I strongly belive it's the virus scanner, which does not scans external drives.

Has anyone an idea, how to define an ...

No, I don't see any programm, which should change the files. Because this arn't special files and not just one single one but many files are changed and the date stays unchanged. Just size differs.

Same problem here.
If there are more then few files FFS hangs on Win10.

It is a managed Network Storage by Atos. So I don't know, what server they are using, if they compress the files and what Sector Size they are using. But If I get it right, it should not influence the file size, just the used size on the hard drive.

The hint about doing a local backup directory ...

Someone else has an idea, where to look or how to handle the issue?

But it is even the opposite. Files on the NAS are 4096Byte smaller.

It is a central managed network drive, so not my personally owned NAS and therefore I don't have access to the settings. I expected that some cloud services may behave comparable. So I searched google few hours to find a way to get around of this file difference. But I didn't find any comparable ...

I'm not able to change any settings on the network drive. So I prefer a band-aid, if possible.

I really like freefilesync. Everything works pretty well.
I just run into one problem. My NAS server somehow uses a compression. If I sync all files with my NAS and resync few hours later some files on my NAS are 4096Bytes smaller than on my PC. I can resync and download those files from my NAS ...