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Microsoft Outlook set of folders cannot be opened
Posted by Russ Richards, Last modified by Russ Richards on 12 September 2017 02:05 PM

Error opening Microsoft Outlook. 

 

Cannot start Microsoft Outlook. Cannot open the Outlook Window. The Set of folders cannot be opened. The information store could not be opened. 

 

This is caused by Skype for Business locking your outlook files. 

 

To solve the issue. 

If you close the Skype window, the Skype logo and status icon still appear in both the Windows taskbar and the system tray. To remove Skype from both the Windows taskbar and the system tray, right click the status icon in the system tray and select Quit. 

Once Skype is closed you can open Microsoft Outlook. Once Microsoft Outlook is open you may safely re-open Skype and login.

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