To adjust the number of days of data that are synced for shared folders, add the following registry values. These keys don't clean up older Calendar content that was already downloaded. However, this method can be effective if you're willing to clear offline items and resync your Calendar (instead of bulk deleting old items). If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. To fix performance issues that affect your Calendar, try the following methods.
Kinda at a loss at this point, I am thinking about wiping the PC and starting again. The next screen is the preview of all the recovered Outlook items and this concludes the repair process of a PST file using Remo Repair Outlook [PST]. If this method also didn’t work for you then follow the last and most effective method which is by using a Professional and efficient Outlook Repair Tool.
Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will solutions for Outlook loading issues still work, but we recommend moving to Windows 11.
Download the latest updates by visiting your antivirus software vendor's website. The main reason why your Outlook not responding when sending email is that your data file has been corrupted. You can use the steps to repair by using ScanPST.exe (It’s the built-in Inbox Repair Tool). To start Outlook in safe mode, click on its icon holding the Ctrl key, or enter outlook.exe /safe in the Run dialog box. You'll see a message asking you to confirm that you really want to start Outlook in Safe mode, click Yes.
However, if this doesn’t help, proceed to the next step. Follow the six quick procedures given below to effectively resolve Outlook crashing solutions for Outlook loading issues while starting up. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile. If I run an online repair and reboot her PC it will usually work for a day or two.
If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. Close and reopen Chrome and launch Outlook's website to see if the loading issue has been resolved. To see if you have a pending update, open Chrome and look at the three vertical dots icon in the top-right of the browser.
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. However, before that, you must solutions for Outlook loading issues figure out the real cause of the issue. Later, go for the best solution that suits the cause of the Outlook issue.
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. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. solutions for Outlook loading issues Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com.
For more information, see Introduction to Outlook Data Files (.pst and .ost). Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
The old version of Microsoft Outlook can crash sometimes due to bug issues. Updating your Outlook to the latest version can solve the issue as the latest version might be released with fixing those bugs. Add-ins improve your Outlook by providing more features and enhancements. But in some cases, it may interfere with normal functioning and may cause Outlook to crash/hang. To disable add-ins, follow the instructions below. If your Outlook crashes when opening or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode.
However, some might be incompatible with your Outlook version and thus, cause conflicts leading to crashes. Therefore, you can try disabling unnecessary add-ins to stabilize Outlook and its workflow. For that, we first need to find out which is the solutions for Outlook loading issues faulty add-in by running Outlook in Safe mode. This means Outlook will run with limited features and without any add-ins enabled. After that, Outlook will check for and install any available updates.
Kinda at a loss at this point, I am thinking about wiping the PC and starting again. The next screen is the preview of all the recovered Outlook items and this concludes the repair process of a PST file using Remo Repair Outlook [PST]. If this method also didn’t work for you then follow the last and most effective method which is by using a Professional and efficient Outlook Repair Tool.
Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will solutions for Outlook loading issues still work, but we recommend moving to Windows 11.
Download the latest updates by visiting your antivirus software vendor's website. The main reason why your Outlook not responding when sending email is that your data file has been corrupted. You can use the steps to repair by using ScanPST.exe (It’s the built-in Inbox Repair Tool). To start Outlook in safe mode, click on its icon holding the Ctrl key, or enter outlook.exe /safe in the Run dialog box. You'll see a message asking you to confirm that you really want to start Outlook in Safe mode, click Yes.
However, if this doesn’t help, proceed to the next step. Follow the six quick procedures given below to effectively resolve Outlook crashing solutions for Outlook loading issues while starting up. We have tried all things mentioned above (except reconnecting the MS account), but the only solution so far is deleting the users profile. If I run an online repair and reboot her PC it will usually work for a day or two.
If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. Close and reopen Chrome and launch Outlook's website to see if the loading issue has been resolved. To see if you have a pending update, open Chrome and look at the three vertical dots icon in the top-right of the browser.
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. However, before that, you must solutions for Outlook loading issues figure out the real cause of the issue. Later, go for the best solution that suits the cause of the Outlook issue.
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. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. solutions for Outlook loading issues Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com.
For more information, see Introduction to Outlook Data Files (.pst and .ost). Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
The old version of Microsoft Outlook can crash sometimes due to bug issues. Updating your Outlook to the latest version can solve the issue as the latest version might be released with fixing those bugs. Add-ins improve your Outlook by providing more features and enhancements. But in some cases, it may interfere with normal functioning and may cause Outlook to crash/hang. To disable add-ins, follow the instructions below. If your Outlook crashes when opening or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode.
However, some might be incompatible with your Outlook version and thus, cause conflicts leading to crashes. Therefore, you can try disabling unnecessary add-ins to stabilize Outlook and its workflow. For that, we first need to find out which is the solutions for Outlook loading issues faulty add-in by running Outlook in Safe mode. This means Outlook will run with limited features and without any add-ins enabled. After that, Outlook will check for and install any available updates.