Turn off all the add-ins, close Outlook, and reopen it (not in Safe Mode). If it opens correctly, you can enable the add-ins one by one. After turning on each one, close and reopen Outlook to see if it loads correctly. It will help pinpoint the ways to fix Outlook data file errors troublesome add-in you can remove or replace.

Running the /resetnavpane command removes all customizations to the navigation pane. It’s not uncommon, and you can easily make Microsoft’s email and calendar app open with a few simple fixes. We’ll show you what to do on your Windows 11 or Windows 10 PC.

After finishing one step, if it does not resolve the issue move on to the next. 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. Avoid using unstable or low ways to fix Outlook data file errors internet connection and use a reliable and high-speed internet connection with reasonable download/upload speed.

A vast community of Microsoft Office365 users that are working together to support the product and others. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms. This method using the SCANPST.EXE will not work if the PST Files are in bulk or they are encrypted.

We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. If Startup Repair detects any of these issues, it will attempt to fix them automatically. If it cannot fix the problem, it will provide a detailed report of the issues it found.

Here’s a list of 10 common issues and errors, which you might experience while using the Outlook application. You can manually increase the time span for establishing connectivity of your Outlook program to the server. Typically, a less server time-out period can throw various errors. Follow the instruction given below to change your server time-out settings.

We are here with most legitimate methods to fix this issue before moving ahead to the solution. In this blog, we have discussed different ways how you can fix if your Microsoft Outlook stuck on loading profile. But if the profile is stuck due to the corrupt PST File then the best way to fix is by using the professional tool.

To resolve this issue, switch Outlook from read-only mode and try moving your PST file from external drive to hard drive. You can check that the Outlook configuration settings are correct and your internet connection is stable. You may also temporary disable your firewall or antivirus program to check if it’s responsible for the error. If the PST file is corrupted, you can try repairing the file using the Inbox Repair Tool (SCANPST.exe).

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.

It is therefore crucial that these Outlook errors are resolved as soon as possible. This guide discusses methods to quickly fix the Outlook not opening issue in Windows 10. To repair the PST files, you can use the in-built tool ScanPST, which is provided by Microsoft, but it repairs minor corruptions and files up to 2GB only. So you can opt for an automated solution – Kernel for Outlook PST Repair.

It might be that Outlook is not responding, or it’s not loading. Here is how to fix outlook issues relating to connectivity and syncing your email. If Outlook won’t open, you can’t check your incoming messages or send an outgoing one from your desktop. If you’re considering looking for an alternative to Outlook, we offer a swift onboarding experience through IMAP protocols. You can ways to fix Outlook data file errors even add your @outlook.com email address to Mailbird and not miss out on any of your important conversations.

Remember to back up your data before making any major changes to avoid data loss. Follow these methods to resolve the Outlook stuck on loading profile issue. Outlook is the most helpful email client for organizations and it has so many common errors also. In this segment, we will know about some scenarios to discuss why users face stuck loading profile error.

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, ways to fix Outlook data file errors but we recommend moving to Windows 11.

In some specific cases, we observed that the problem no longer stayed after deleting the Outlook App Data folder. Thus, you can try deleting the Outlook App Data folder and check whether Outlook functions in your case