This alias will be added to their account as a secondary alias, with the original 3rd party alias will continue to be set up as the primary. Once this step is complete, the user will land in their Outlook inbox and be able to use all Outlook functionality with this new email address. Sometimes, an Outlook add-in will crash and prevent your email messages from sending. To disable all add-ins, you can start Outlook in safe mode. If you can send email while Outlook is in safe mode, creating a new Outlook email profile should allow you to send email again.
The easiest way to let the indexing finish is to leave Outlook running overnight.Additionally, you can http://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ reduce performance issues by running Outlook in Cached Exchange Mode. In this mode, Windows Search or WDS searches the local copy of the mailbox instead of the mailbox content on the server. Adjusting Outlook’s Send/Receive schedule can often improve performance. If your send/receive schedule is set to check less-frequently, say, every 30 minutes, try changing it to send/receive every 3 minutes.
Now, select from any of the given options, including Quick Repair and Online Repair. Find the Microsoft 365 app and right-click on it to see the available options. You will see two options – Change and Uninstall. The next solution to repair Outlook is to reinstall the http://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ problematic Outlook version/application. Along with that, it will be helpful to keep your folder structure safe.
This fix will also lead to a reduction in the total number of contacts on your contact list. We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. 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.
The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can’t place in their original structure. In this guide, we’ll explore common Outlook issues and provide step-by-step solutions to fix them. Here are some of the reliable methods to restore Outlook 365 not working issue. Follow these methods step-by-step to overcome the issue. Opening Outlook in safe mode means that the application will only open all the necessary files to start the applications.
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. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email. Some email providers (such as your ISP or even Gmail) won’t let you send messages larger than a certain size. Adding pictures and large attachments to your message can prevent you from sending that message (and any messages sent after the large message). If you see messages piling up in your Outlook outbox or people you’re sending messages to aren’t receiving them, try the following methods to fix the issue.
An outdated version of Outlook may cause performance issues or compatibility problems. Microsoft provides a built-in tool to repair Office applications, http://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ including Outlook. Click Options and select any Log file option, then click OK.
If you are repairing a .pst file under Windows NT, 2000, XP, 2003, you will need rights to access system files and folders where Microsoft Outlook stores original .pst files. With a very high probability, Recovery Toolbox for Outlook can restore an array of data from .pst files to their original state before they were damaged. Last, you should replace the damaged file http://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ to a recovered one or merely add the recovered file to the list of data files in Outlook. The size of free space on the disk must be at least twice as much as the size of the .pst file you are repairing. The red color of the value in the Required free disk space field informs you that there is not enough space on the disk.
Repair a profile in OutlookIn Outlook, choose File.Choose Account Settings >Account Settings.On the Email tab, choose your account (profile), and then choose Repair. …Follow the prompts in the wizard, http://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ and when you’re done, restart Outlook.
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.