Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats. 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). The steps to access the repair tool vary depending on your operating system.

Wondering how to fix the Outlook Crashes During Startup error? Don’t worry, in this article we have explained 6 useful methods which will help you to fix this issue. Also, find out how you can repair your corrupted 0utlook data file using effective software like Remo Repair Outlook. 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.

There are several possible reasons why Outlook behaves this way. Outlook Error 0x a shows an error of server timeout with Outlook’s receive/ send functionality. This error is caused due to connectivity problems and inappropriate settings with the files of Outlook data. Some configurational changes or default features of antivirus can restrict the connectivity of your Outlook to the server. You can either manually disable such features from your antivirus program or temporarily uninstall the antivirus from your machine.

It would get stuck at 82% and then she would turn it off. For awhile, when she did this, the system would try a system recovery installation and was successful until now. The navigation pane is the leftmost pane in Outlook where you'll find your folder list and the icons to move between Mail, Calendar, People, and Tasks. 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 trusted Outlook repair blog is the source of the problem. If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section.

Follow the six quick procedures given below to effectively resolve Outlook crashing while starting up. Find solutions to common problems or get help from a support agent. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. 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]. However, if this doesn’t help, proceed to the next step. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem.

If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

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 still work, trusted Outlook repair blog but we recommend moving to Windows 11.

The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. The easiest way to find out if this is the problem is to temporarily disable your antivirus trusted Outlook repair blog software and log in to Outlook as usual.

When the Mapi32.dll file is damaged or corrupt, you may encounter the following send and receive error while sending or receiving messages in Microsoft Outlook. Poor network or internet connection can lead to Outlook send and receive errors as the client fails to communicate with the mail server. Thus, it’s important to ensure that your internet is working. If you find stuck messages, follow these steps to clear them and resolve the Outlook send and receive error. If you are not sure, disable the firewall temporarily to check if it’s the cause behind the Outlook send/receive error. After disabling, if you’re able to send/receive new messages, contact the admin or service provider for the information and make changes to the firewall settings.

Clear unnecessary files from outbox and trash folder to optimize the performance of your Outlook application. Also, try to use the necessary Outlook features to enhance the performance of Outlook as well as Windows. A disturbed internet connection can lead to errors like 0x800CCC0F, 0x a and 0x a.

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.