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Outlook 2016 will not open

Kim Bullock 0 Reputation points
2026-02-17T00:08:12.2133333+00:00

I have Windows 10 with Outlook 2016. Outlook will not open. Has happened to me in the past and a PC restart would fix, but now still cannot open Outlook 2016 even after restarting

Outlook | Windows | Classic Outlook for Windows | For home

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  1. Ferdinand Nanalig 29,365 Reputation points Independent Advisor
    2026-02-17T01:03:28.15+00:00

    Hi! Let me help you with this issue.

    Restart your machine.

    Click Outlook once and open Task Manager, go to the Details tab, and scroll down to Outlook. If you see Outlook, right-click it and end the task and then restart Outlook.

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  2. Q&A Assist
    2026-02-17T00:08:26.94+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    If Outlook 2016 is not opening on your Windows 10 PC, here are some troubleshooting steps you can try:

    1. Repair Outlook: Use the built-in repair tool to fix issues with Outlook. Go to Control Panel > Programs > Programs and Features, select Microsoft Office, and then click on Change. Choose the Repair option.
    2. Reset Outlook Profile: Sometimes, the Outlook profile can become corrupted. You can create a new profile by going to Control Panel > Mail > Show Profiles, and then add a new profile.
    3. Check for Updates: Ensure that your Office installation is up to date. Go to File > Account > Update Options > Update Now.
    4. Start Outlook in Safe Mode: You can start Outlook in Safe Mode to see if the issue is caused by add-ins. Press Windows + R, type outlook.exe /safe, and press Enter. If it opens, disable add-ins one by one to find the culprit.
    5. Use Selective Startup: Perform a clean boot to see if any startup programs or services are interfering with Outlook. You can follow the steps for a selective startup as described in the context.

    If these steps do not resolve the issue, you may need to uninstall and reinstall Office, as some users have found success with this method after encountering similar problems.


    References:

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