Outlook - set of folders cannot be opened in Outlook 2019, 2016

M

mithileshtata

Member
When encountering the error message "The set of folders cannot be opened" in Outlook 2016 or 2019, it's often due to various issues such as a corrupted Outlook profile, damaged PST file, or incorrect Outlook settings. Here are some troubleshooting steps you can follow to resolve this issue:
  1. Restart Outlook: Sometimes, simply restarting Outlook can resolve temporary issues. Close Outlook completely and then reopen it to see if the error persists.
  2. Start Outlook in Safe Mode: Launching Outlook in Safe Mode can help identify if any add-ins are causing the issue. To do this, press and hold the CTRL key while launching Outlook. If Outlook opens successfully in Safe Mode, try disabling add-ins one by one to find the culprit.
  3. Repair Outlook PST File using Outlook PST Repair Tool: Aryson Outlook PST Recovery is a comprehensive tool that can recover emails, contacts, calendars, tasks, and other mailbox items from corrupted PST files. It supports Outlook 2019, 2016, 2013, and earlier versions. It is a reliable PST recovery tool that can repair oversized, corrupted, or inaccessible PST files. It supports batch recovery and can handle PST files created by all versions of Outlook.
  4. Repair Outlook Data Files (PST) Manually:
    • Open Control Panel and go to "Mail" (or "Mail and Email Accounts" depending on the version).
    • Click on "Data Files" and select the data file associated with your Outlook profile.
    • Click on "Settings" and then select "Repair" to repair the PST file.
    • Follow the on-screen instructions to complete the repair process.
  5. Create a New Outlook Profile:
    • Open Control Panel and go to "Mail" (or "Mail and Email Accounts" depending on the version).
    • Click on "Show Profiles" and then click on "Add" to create a new Outlook profile.
    • Follow the prompts to set up the new profile and configure your email account.
    • Open Outlook using the new profile to see if the error persists.
  6. Run Inbox Repair Tool (ScanPST):
    • Close Outlook and locate the ScanPST.exe tool on your computer. It's typically located in the following directory: C:\Program Files\Microsoft Office\root\OfficeXX (replace "XX" with your version number).
    • Run ScanPST.exe and select the PST file you want to repair.
    • Click on "Start" to begin the repair process. Follow the on-screen instructions to complete the repair.
  7. Disable Compatibility Mode:
    • Right-click on the Outlook shortcut icon and select "Properties".
    • Go to the "Compatibility" tab and uncheck the box next to "Run this program in compatibility mode".
    • Click "Apply" and then "OK" to save the changes.
  8. Update Outlook: Ensure that you have the latest updates installed for Outlook. Sometimes, updating Outlook to the latest version can resolve compatibility issues and bugs.
  9. Check Antivirus Software: Antivirus software may interfere with Outlook's operation. Temporarily disable your antivirus software and see if the error persists. If the error goes away, consider adjusting the settings of your antivirus software to exclude Outlook-related processes.
 
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