Problems with Outlook .pst files

A

AlexS3

Bit poster
I have no idea why this has happened, but I opened my Macbook about three weeks ago and encountered a problem with some .pst files in Outlook.

I have 4x email accounts within Outlook (POP/SMTP), but I only have a problem with one account.

The four respective email addresses sit in the column on the left hand side of the screen with a toggle button, three of them open just fine... but one won't. If you try and select that mailbox the following error message comes up:

"Cannot expand the folder. The set of folders cannot be opened. The file \\psf\Home\Documents\Outlook Files\ [email address].pst is not an Outlook data file (.pst)."

Not sure why this has done this, I've not changed any settings anywhere... and the other 3x email accounts are sending/receiving just fine.

Any ideas on how to remedy this would be greatly appreciated.
 
AlexS3 said:
I have no idea why this has happened, but I opened my Macbook about three weeks ago and encountered a problem with some .pst files in Outlook.

I have 4x email accounts within Outlook (POP/SMTP), but I only have a problem with one account.

The four respective email addresses sit in the column on the left hand side of the screen with a toggle button, three of them open just fine... but one won't. If you try and select that mailbox the following error message comes up:

"Cannot expand the folder. The set of folders cannot be opened. The file \\psf\Home\Documents\Outlook Files\ [email address].pst is not an Outlook data file (.pst)."

Not sure why this has done this, I've not changed any settings anywhere... and the other 3x email accounts are sending/receiving just fine.

Any ideas on how to remedy this would be greatly appreciated.
Click to expand...
Hi, we've released the Parallels Desktop update, please get the latest version of Parallels app and check the issue.
Please let us know the results
 
I have just updated to the trial of Parallels 11 and it has made no difference.

It still will not allow me to expand that particular mailbox tab (bearing in mind I have 4 email address folders, and the other 3 work fine)... so I am unable to access any of my old emails within that account. The same message appears "Cannot expand the folder. The set of folders cannot be opened. The file \\psf\Home\Documents\Outlook Files\ [email address].pst is not an Outlook data file (.pst)." .... this is when I try to toggle the arrow at the side of the account to look at my previous messages.

I have gone into outlooks settings and tested the "send and receive" on the account in question and there are no issues with the mail server, the test worked fine.

I have been using a web based POP client to monitor the account since it stopped working, which is a pain. So following this mornings attempt to remedy the problem with the trial of Para11... I have now set up the POP settings for that account in Apple Mail and its working fine (although I hate the interface, and I can't use multiple accounts which is the whole reason I purchased Parallels in the first place).

Please help. I guess if I deleted the account and re-instated it from scratch (in Outlook) it would probably work again... but I would loose all my old correspondence, which is not an option.
 
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