Among various other Microsoft products, Outlook is widely used for business as well as general purpose email and electronic communication service. But just like any other Office programs, Outlook also runs into problems sometimes. And one such issue comes with the error message which says ‘The set of folders cannot be opened’. Is it due to your internet connection or your system issues? Or maybe something is wrong with your account? Let’s find out more about the error and how to resolve it.
Possible Causes For This Error Message
While the exact reason behind this error is yet unknown, yet all the versions of Microsoft Outlook, starting from 2003 to the newest Outlook 2016, may be affected. The possible causes behind it include:
In order to resolve the above-mentioned issues in Outlook, try these quick fixes.
Do not skip the space between outlook.exe and /resetnavpane.
Start Outlook in Safe mode: If nothing works, try opening the Outlook in safe mode by holding the Ctrl key and then double click on the Outlook icon. Press OK in the confirmation prompt.
If you are still unable to open the Outlook due to the error ‘the set of folders cannot be opened’, we suggest you take help from some technician. Alternatively, you can log in to the official support page of Office and learn more about your problem on the Microsoft community.