10 Common Microsoft Outlook errors and their solution

There are various solutions to resolve the error of Outlook hanging on the loading profile. You just need to read the entire blog to get your answer. One of the things that can help you get rid of the “Outlook stuck on loading file” problem is to launch Outlook as an administrator. There is nothing as such that you have to do in this.

Exit Outlook, go to AppData, and manually delete cache folders. Newer Windows updates and builds like Windows 10/11 provide better compatibility https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ with Outlook 2019 and Outlook 365. If your Outlook keeps freezing, despite all your effort, it’s time to bring in the professionals.

Creating a new Outlook profile may resolve some performance issues. MDaemon Technologies is a pioneer in developing email and email security software helping to protect customers from evolving cyber-security threats. Its products and services are trusted by thousands of organizations in over 140 countries. For more than two decades, the company’s products have been developed with the ongoing input of IT professionals who demand reliable, affordable software that requires minimal effort to manage.

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 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.

You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. This issue affects all Outlook versions on Windows 7, Windows 8, Windows 10. If you can’t open Outlook, or Outlook disappears or crashes, one of your add-ins may be https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ to blame or you may need to update Outlook.

You may also want to create a shortcut to this file on your desktop for easier access. Outlook uses an .ost file only if the Exchange email account is configured to use Cached Exchange Mode. If Outlook is configured to connect to the Exchange mailbox in Online mode, an .ost file is not used. In Sync Window Settings, adjust the number of months of data that are synced for the primary shared calendars.

If your antivirus software isn’t up-to-date, Outlook may not function correctly. Start the tool and proceed to the email repair section and add files. Start Registry Editor by Pressing the Windows Key+R to open a Run dialog box. Select such processes and hit the “End Task” button one at a time.

For complete information on this error and its solutions, follow our guide on How to resolve the error “0x800CCC13” Outlook cannot connect to Server. When you reinstall Outlook, you are removing the current application from your system and then installing it again. Reinstalling your Outlook client can fix installation errors and common software failures. In case of Outlook crash, re-installing the application is the most recommended method to fix the issue.

Nonetheless, we are mentioning the steps for your convenience. When the exact reason for the error is not known you have to try multiple methods to fix the error. Here, we https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ present you with distinct methods that can help to fix the error. After performing the method start Outlook again to check if the method has worked and eliminated the error. The upcoming section will discuss the reasons in detail. Occasionally, classic Outlook tries to run a process in the background.

We often install Add-ins in Outlook to enhance Outlook’s functionality. 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 faulty add-in by running Outlook in Safe mode.

You can mitigate this higher cost by using Appointment Recurrence settings to set an end time or maximum recurrence count. Then, you can create a new recurring meeting instead of extending the existing recurrence. To reduce the number of items that are stored locally, limit the synchronization window that’s used for shared folders. To fix performance issues that affect shared folders, try the following method. To fix performance issues that affect your Calendar, Mail, or shared folders, use the following resolutions, as appropriate. The built-in back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use.

This issue occurs because Outlook cannot open the Forms Library. This issue can occur for Outlook on all Microsoft 365 Office channels. The emerging cases for this issue are on virtual desktop infrastructure (VDI). This is quite annoying and you’re certainly not alone. This should resolve the issue with Microsoft Outlook crashing. Perfectly repair and recover corrupted Outlook PST & OST files.