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Add Outlook crashes or stops responding when used with Office 365

Neal Wiles 2026-02-20 04:36:26 +08:00
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To check if you have received the fix, review your contact list to confirm duplicates have been removed. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023.
Hopefully, one of these solutions worked for you, and Outlook is now stable and operating normally. Corrupt data files (OST or PST) can also cause this Outlook crashing issue. However, rebuilding the data file can resolve corruption issues. I have a user who's outlook crashes and restarts every 30 minutes. It is so precise that you can set your watch to it.
You can opt for the desired Mode of Recovery, i.e., Standard, Advanced, and Deep, as per the level of corruption in the PST file. With the help of the PST File Repair Software, you can repair the PST file using the Deep Mode that is severely damaged to a great extent. Outlook Fix Blog The Cigati PST File Recovery software is a powerful tool that can handle even severely damaged Outlook email files.
It's free, more secure and will require a verification code in addition to your password. If you still can’t recover your account, you can create a new Google Account. When you do, you can follow these steps to avoid getting locked out of your Google Account. To protect your account, it may be temporarily locked after too many unsuccessful attempts to sign in.
#2. Uncheck The Hide OptionFirst, look at the bottom of your screen, where you see all those icons.There's a little button that shows hidden icons. ...Afterwards, look for the Outlook icon. ...Inside the options, find 'Hide When Minimized.' Uncheck it.More items...•Apr 25, 2024
Or, if the error lasted in Safe mode also, moving to the next solution is a better option. Before trying any fixes for the mentioned Outlook error, try one of the quickest hacks. If not, move ahead to other solutions to troubleshoot Outlook error Something is wrong with your data files. Users now should be mindful of the common causes why users need to fix Outlook data files (PST).
Third-party add-ins are helpful… until they’re not. Outdated or conflicting ones can mess with Outlook’s core performance, causing unexpected slowdowns or outright failure to launch. Create your account and connect with a world of communities.
Bookmark this page so that whenever you come across an error like your Outlook calendar not syncing, or a corrupted file, you'll have a place to start troubleshooting. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. Availability has recovered, and engineers are investigating the root cause and identifying problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on Outlook Fix Blog your computer to see if they're in good shape.
Moreover, this utility allows you to repair multiple PST files simultaneously without needing any modifications. Whether you're dealing with ANSI or Unicode PST files, the tool can effectively recover them, ensuring data integrity and recovery. Stellar Repair for Outlook Technician Outlook Fix Blog repairs corrupt PST files and recovers complete mailbox data. It 'Compresses' or 'Splits' the repaired PST that reduces further chances of corruption.
These Outlook data (PST) files store user’s data, including email messages, calendars, tasks, journals, etc. By following these steps, you should be able to resolve the ‘Something is wrong with your data files’ error. Also, regain access to your email account and mailbox data. Once your task is done of locating the ScanPST.exe tool, kindly head to follow the below-given steps to fix Outlook data files (PST).
This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. To work around the issue, you will need [Outlook Fix Blog](https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html) to end all Office processes that are running and disable the presence features. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile.
Also, we go over the stepwise working procedure of both solutions and the reasons behind PST file corruption issues. The Inbox Repair tool or ScanPST.exe is not a convenient way because of multiple restrictions. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files.
I have ran outlook.exe /cleanrules and Outlook will run perfectly (without crashing) all day. But as soon as the user closes outlook and re-launches, without the /cleanrules, outlook will begin crashing again every 30 minutes. This step Outlook Fix Blog creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a support engineer can review them. Hopefully, now you understand why Outlook keeps crashing and how to fix it. We have mentioned all manual troubleshooting solutions that you can try one by one.