I'm familiar with the "Export to a PST file" process for backing up Outlook, but I have 6 email address in my Outlook and would like to perform just 1 export (backup) to include all accounts and subfolders.
Would someone point me in the right direction, because I can only select one account at a time.
I'm running Windows 10 22H2 19045.3930
I don't think you can (but I am on Outlook 2010, so maybe things have changed). Best bet would be to export each account to its own file, then crate a new PST file and import each account PST, one by one. Laborious. You could also achieve the same by copying files/folders from each account into the new one, but that would be even more laborious.
I may well have misunderstood you so apologies in advance if I have.
I use Outlook 365 handling 3 POP/SMTP email accounts. Each account has it's own .pst file. These files are in "C:\Users\xxxx\Documents\Outlook Files". To back them up I just copy *.pst to a backup device.
I'm wondering [thanks Microsoft for having 2 products with the same name!] whether the OP was referring to outlook.com email service rather than MS Office Outlook, in which case my suggestion is irrelevant.
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