Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to repair Outlook data file Outlook Data Files (.pst and .ost). A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue.

Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings.

Due to the large number of affected users, the automated fix took time repair Outlook data file to apply. Microsoft advised using a manual workaround to restore access more quickly. A notification will be sent once the incident is fully resolved. We can diagnose and fix several common Outlook connectivity issues for you. If our automated tool can't fix your issue, or you'd like to fix it yourself, see the next section. Sometimes, antivirus real-time scanning can slow Outlook down.

If you get the error "Cannot open the Outlook window" when trying to start Outlook, the error usually indicates that repair Outlook data file your Folder Pane or Navigation Pane settings holds a corruption. Just to make sure you are not trying to troubleshoot an issue which has already been solved, before you begin verify that you have installed all updates for your version of Outlook. Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. Most Outlook problems can be resolved with proper troubleshooting and maintenance. Following the fixes above will help you keep your Outlook running smoothly and protect your productivity.

Starting Outlook in Safe Mode will prevent some or all add-ins from repair Outlook data file being loaded, prevents several settings files from being loaded and turns off the Reading Pane. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost).

When built-in tools fall short, professional solutions pick up the slack. Faulty hard drives or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. Hopefully, one of the fixes above helped resolve your problem. Please feel free to leave a comment below if you have any questions or suggestions.

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.If your antivirus repair Outlook data file software includes integration with Outlook, you may experience performance issues in Outlook. In this case, you can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

Launch the recovery assistant if you've tried everything else and Outlook is still crashing. It also allows you to upload your results to Microsoft for review by a support engineer. Perfectly repair and recover corrupted Outlook PST & OST files. Corrupted or badly set-up Outlook profiles can often cause start-up problems. The app might refuse to launch or crash at the splash screen. The PST files will be repaired and the error will be resolved.

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.

Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or shut itself down. There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing.

How to Repair Outlook 2019-2016Select 'Start' menu and go to 'Control Panel'Click on 'Programs' and then select 'Programs & Features'Find and select 'Microsoft Office 2016' from the enlisted programs.Click on 'Change' option.Next, click on 'Quick Repair' or 'Online Repair' and follow instructions.Jan 13, 2025

This happens to accounts that are configured in the iOS Mail app. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. If you typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.