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The Set of Folders Cannot be Opened Error

BrookGBengtson 2 years ago in Email / Outlook 0
While working in Outlook 2016, I get an error message
“Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The operation failed.”

I have found few blogs, suggest which one is suitable for me.
Few Blogs:
https://www.ryadel.com/en/outlook-2016-the-set-of-folders-cannot-be-opened-error-fix/
https://www.madestuffeasy.com/error-fixed-outlook-contacts-not-available-in-address-book/
https://barzrul.com/tips/fix-email-error-550-in-outlook-2016-2013-2010-3887
Hello.

I'm sorry to see that you are experiencing issues with your Outlook 2016. From the links you provided it seems the first one provides the most insight and assistance in resolving this issue. However, I recommend reaching out to the software provider for troubleshooting their product.

I hope this helps.
Sincerely,
Carlos D