FreeFileSync Forum

Thank you, xCSxXenon! That all makes sense. :)

My question is irrelevant, as the default removal policy for any external drive in its Device Manager properties is Quick Removal, which "Disables write caching on the device and in Windows", so I will simply stick with that.

I keep an external HDD connected to my Windows 10 machine and use FFS to back up to it and then hibernate the machine on completion.

I have read that shutdown would be safer because there is some risk of Windows failing to recognise my drive as external, so that Windows does not flush its system ...

Previous versions of FFS backed up open files by (rather slowly) creating shadow copies.

With a very large PST file, the latest version gives me the following error message:
Cannot read file "F:\Documents\Archived E-mails\Archive.pst".
The file is locked by another process:
Microsoft Outlook, "C ...