CobianSoft

Select Monolithic compression.

Could be but not so sure...

Yes, I understand.

Los ficheros OST no son incluidos en las Copias de Volume Shadow porque Microsoft considera a estos archivos sin valor alguno para ser respaldados. Se le puede indicar a Windows que no los ignore cambiando la llave HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\BackupRestore\FilesNotToSnapshot ...

If you are using some MS account to login then the password of that account should work. I haven't tested this option yet because I work on 11 Pro which allows "normal" accounts as well.

Thank you for the suggestion. Note that the elapsed time is also shown in the log file at the end of the task.

How is the USB drive formatted? Using FAT32 or NTFS? FAT32 drives have a limit of 4GB size per file.

Cloud drives sometimes contain only links to the files and download the content only on demand. Perhaps that is the case here?

First, check the permissions of your folders from the tools menu. Does tis fix the problem?

If you open your list with notepad...do you see your tasks there?

A "not enabled (disabled)" task will not get executed.