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[Solved]: How to Repair Outlook Crashes during Startup?

Although Outlook is a great email application, many users encounter various issues occasionally while using this email application. Outlook crashing after recently updating, during startup, freezing frequently, and problems while sending emails are some of the most common problems users encounter while using Outlook.

User Query: I am using Outlook 2016 on Windows 10.  I am using an email from office365 and changed my password in office 365.  The outlook keeps crashing for about a few seconds as I believe it was searching for the new password credentials.  I went to the Credential Manager and deleted the generic credentials listed for this outlook email account.  Now, my Outlook crashes during startup. When trying to launch the program, Outlook opens and closes immediately. Please Help!

Another user faced a similar issue:  I click on the Outlook app, but it begins to open then closes.  I can't seem to fix this. So what to do to fix.  Is this permanent?

In this article let’s have a look at the solutions to fix Outlook crashes during startup problems. We have covered some simple and effective solutions to resolve this problem of Outlook open and close, read on.

Solutions to Resolve Outlook Crashes During Startup:

Follow the four quick procedures given below to effectively reslove Outlook crashing while starting up.

1. Start Outlook in Safe Mode To Fix Outlook Crashes when Opening

If your Outlook crashes when opening or Outlook crashes on startup or even if Outlook is stuck at Processing, it can be resolved by opening Outlook in Safe Mode. To open Outlook in Safe Mode, follow the instructions below.

  • Close Outlook if you have it open
  • Then open the Run dialog box.
    • For Windows 10, Windows 8.1, or Windows 8, press the Windows logo key+R.
    • For Windows 7, click Start, type Run in the Search box, and then click Run.
  • Now type outlook.exe /safe, and hit Enter

resolve Outlook crashes during stratup

  • Then close Outlook
  • After following these steps, restart Outlook normally.
  • If now the issue doesn't occur, proceed to the next step. This indicates that there are some problematic add-ins in Outlook that are causing the "Outlook crashes on startup" issue.

Note: If you have recently updated your outlook 365 application and if it is crashing during startup, trying to start Outlook in safe mode is not effective. You will need to fix Outlook 365 crash with the specific workarounds given in the highlighted informative write-up.

2. Disable Add-ins

Add-ins improve your Outlook by providing more features and enhancements. But in some cases, it may interfere with the normal functioning and may cause Outlook to crash/hang. To disable add-ins, follow the instructions below.

unselect Addins to fix Outlook crashes during startup

  1. Click File > Options > Add-ins
  2. In the Manage drop-down menu, select COM-Add-ins > Go
  3. Check the add-ins that are enabled and uncheck them. Save the changes and restart Outlook.

If your Outlook is working fine now, it means add-ins are the culprit. But it is important to identify the specific add-in that was causing trouble. To identify that, check the add-ins one at a time and restart Outlook. Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats.

Now you have identified the add-in causing trouble. Disable it permanently and continue using Outlook. Your error should be resolved. However, if this doesn’t help, proceed to the next step.

3. Run Outlook Diagnostics Tool

  1. Download the automatic diagnostic tool from Microsoft's website and run it on your system
  2. After the tool completes the process, the issue should be resolved. However, if the issue still persists, go to Microsoft Support and Recovery Assistant for Office 365
  3. Click Outlook on the first screen and click Next
  4. Select one of the options according to your situation
  • Outlook keeps freezing or hanging
  • Outlook crashes with the message "Microsoft Outlook has stopped working". Click Next

This automated tool should help you resolve most errors in Outlook. However, if you find that the problem still persists, there could be an issue with your PST file, which is covered in the next solution.

4. Repair PST File using Remo Repair Outlook (PST)

If none of the above solutions help you resolve the Outlook crashing error, it means that your Outlook data file has been corrupted. This is caused when the program tries to access the storage file but fails to do so. However, frequent Outlook crashes also result in corruption making your Outlook inaccessible. Hence, you need to now think about fixing your PST file after the Outlook crash.

Remo Repair Outlook (PST) tool can repair all sorts of corruption issues in your PST files. Whether corruption is caused due to storing the PST file on a server or due to bad sectors on the hard disk, the reason doesn’t matter; Remo Repair can solve the issue.

Once the PST file is repaired, it can be imported to Outlook and you can access all your Outlook items in the same way as it was originally. Moreover, the software works with all versions of Outlook like 2019, 2016, 2013, 2010, 2007, etc.

Before starting the repair process you should take a backup of your Outlook data, you can use Remo Outlook and Backup tool to effectively backup, restore and migrate Outlook data files.

How to use Remo Repair Outlook (PST)?

Download Remo Repair Outlook (PST) tool & install it on your PCs. Then, just follow the simple steps explained below to fix the PST file after the Outlook crash.

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1. Launch the tool and Select the PST file.

2. To repair or you can also allow the software to locate the PST automatically, by using the Find PST file option.

Remo Repair PST to fix outlook data file cannot be opened

3. Choose a scanning option and click Repair.

Repair severely corrupt or damaged PST file

4. The software will start scanning the file and provide you with the repaired PST file.

5. Now, you can preview the items from the repaired file & save the repaired file.

That’s all you need to do, your PST file will be repaired & you can use your Outlook data. With this tool, you can even recover lost Outlook Calendar items, emails, extract contacts, rules, and other Outlook items. Try this smart and effective PST repair tool today! Hope these methods help you fix Outlook crash issues during startup.

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John Harris

Senior Editor, Content Analyst and a fan of exceptional customer service. John develops and publishes instructional and informational content regarding partition management, Windows hot-fixes, data management and computer troubleshooting.

As a tenured data recovery specialist, John shares exceptional insights and blog posts about data loss and data recovery across any storage device. With 8+ years’ experience in writing for Data Recovery for both Mac OS and Windows OS computers, he is an avid learner who always wants to polish and simplify the data recovery process. John passes his free time playing Chess and reading Science Fiction novels.

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