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How to Resolve “The set of folders cannot be opened” Error in Outlook

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This guide provides instructions for fixing the following error in Microsoft Outlook: “Microsoft Outlook cannot be started. The Outlook window cannot be opened. A set of folders cannot be opened. The server is unavailable. Contact your administrator if this condition persists.

The Outlook error message “Cannot open folder” can occur in all versions of Outlook and appears when the Outlook PST data file is corrupted. To solve the problem, perform Outlook data file recovery by following the instructions below. read more

How to Solve the “Modified permissions cannot be saved” Problem in Outlook

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Outlook cannot save changed permissions, mainly because delegated access is not working. The problem can also be caused by network access provider restrictions and various add-ons. This error prevents the user from changing calendar permissions and sharing the calendar with other users.

This is a common problem that occurs due to minor technical issues in the Outlook application. This problem does not mean that the problem is with the hardware itself. Be sure to bring your Outlook credentials with you before you start, as they are required. Many users encounter this error on their system. If you want to fix this error, here are some steps. read more