how to fix my outlook when it keeps not responding

Question

Everytime i login to my outlook it stops responding after about 20 second

Answer 1

Hi @Angela Hubbard,

Thank you for posting your question in the Microsoft Q&A forum.

I understand how disruptive it can be when classic Outlook becomes unresponsive shortly after signing in, especially when you need to access your email quickly.

In classic Outlook for Windows, this behavior can occur for several reasons. For example, Outlook may be blocked by a hidden dialog box, running a long background task, affected by a problematic add‑in, slowed down by a large mailbox or data file, impacted by a damaged profile or data file, or encountering a conflict with security software or recent updates.

To help narrow this down, I recommend trying the following steps in order:

1/ Check for a hidden dialog box or background task:

Sometimes Outlook is waiting for a prompt, such as a confirmation dialog, or is busy processing a large operation. Try using Alt + Tab to see if any Outlook dialog windows are open in the background and also check the status bar to confirm whether Outlook is still working on a task.

2/ Start Outlook in Safe Mode to rule out add‑ins:

Next, try starting Outlook in Safe Mode, which loads Outlook without add‑ins or most customizations. If Outlook works normally in Safe Mode, an add‑in is very likely the cause.

• Press Win + R, type outlook /safe and press Enter.
• If Outlook opens correctly, go to File > Options > Add‑ins, disable the add‑ins, and then re‑enable them one at a time to identify which one is causing the issue.

3/ Install the latest Windows and Office updates:

Missing updates are a common cause of Outlook freezes. Microsoft recommends ensuring that both Windows and Office are fully up to date.

You can review the steps here: Install Office updates.

4/ Run Microsoft’s “Classic Outlook Advanced Diagnostics” troubleshooter:

Microsoft also provides a built‑in troubleshooter that checks for common causes such as add‑ins, profile issues, data file problems, and software conflicts.

You can find the instructions here: classic Outlook advanced diagnostics troubleshooter.

5/ Repair the Outlook data file or create a new Outlook profile:

If Outlook is still hanging, the next common step is to repair the data file or create a fresh profile.

• To repair the data file, exit Outlook and follow: Repair Outlook Data Files (.pst and .ost).
• To create a new Outlook profile, you can follow: Create an Outlook profile.

6/ Repair Microsoft 365 / Office installation:

Finally, if the issue persists, repairing the Office installation itself can often resolve underlying problems.

You can follow the steps here: Repair an Office application.

I hope this information is helpful. Please follow these steps and let me know if it works for you. If not, we can work together to resolve this.   

Thank you for your patience and your understanding and I look forward to continuing the conversation.

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Answer 2

To fix your Outlook when it keeps not responding, you can follow these steps:

1. Install the Latest Updates: Ensure that your Office installation is up to date. You can check for updates through Windows Update or directly within the Office applications.
2. Check for Other Processes: Make sure that Outlook isn't being used by another process, such as AutoArchive or syncing with a mobile device, as these can consume resources.
3. Investigate Add-ins: Start Outlook in safe mode by typing Outlook /safe in the Run dialog. If it works fine, disable all add-ins and restart Outlook to identify if any add-in is causing the issue.
4. Repair Office: Go to Control Panel > Programs and Features, right-click on your Office installation, and select Repair. You can choose either Quick Repair or Online Repair.
5. Run Outlook Diagnostics: Use the Microsoft Support and Recovery Assistant to diagnose and fix Outlook issues. This tool can help identify connectivity problems and other issues.
6. Create a New Outlook Profile: Sometimes, creating a new user profile can resolve issues. Go to Control Panel > Mail > Show Profiles, then add a new profile and set it up.
7. Check Antivirus Software: Ensure your antivirus software is up to date and check if it conflicts with Outlook. You may need to disable any Outlook integration within the antivirus software.
8. Perform a Selective Startup: If you suspect other applications might be interfering, perform a clean boot to start Windows with a minimal set of drivers and startup programs.

Following these steps should help resolve the issue with Outlook not responding.

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References:

• Outlook not responding error or Outlook freezes when you open a file or send mail
• How to troubleshoot issues that cause Outlook to crash or stop responding when used with Microsoft 365