Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. Use the classic Outlook connectivity troubleshooter to resolve intermittent connectivity issues.

As a ‘non-delivery’ email notification is not always sent, you may not Fix Outlook troubleshooting hub be aware that your important messages are not being delivered until you run a deliverability test. This will guide you in determining if the server is down or if there are other connection issues. When you try to accept a shared Outlook.com calendar using your Microsoft 365 for business account in Outlook 2016, you might receive the “Something went wrong” error or your sign-in might fail. We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars. Email authentication was more of a recommendation than a requirement until recently.

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 Fix Outlook troubleshooting hub the antivirus from your machine. Outlook not responding or not working is a common issue faced by Outlook users. This may occur due to outdated system drivers, virus or malware infection, lack of system resources, or system overheating. It may also occur if the Outlook data file is damaged or corrupted.

Also, ‘-g’ represents the default location of Outlook installation and the address after ‘-d1’ describes your profile folder’s default path. Therefore, if you installed your Outlook application in a custom location, you’d have to substitute ‘-g’ for the custom location. If you Fix Outlook troubleshooting hub typically use an Outlook.com account for email, this issue can occur if there are multiple aliases on the account and the 3rd party email address is the primary alias.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Contact someone directly by selecting Start chat or Send email.

Repair an Outlook data file (.pst) fileExit Outlook and browse to one of the following file locations: …Open SCANPST.EXE.Select Browse to select the Outlook Data File (.pst) you want to scan. …Choose Start to begin the scan.If the scan finds errors, choose Repair to start the process to fix them.More items…

To get help and troubleshoot other Microsoft products and services, enter your problem here. To get support in Outlook.com, click here or select Help on the menu bar and enter your Fix Outlook troubleshooting hub query. If the self-help doesn’t solve your problem, scroll down to Still need help?

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).

Solutions to Troubleshoot ‘Out of Memory or System Resources’ ErrorCheck Resource Usage. …Restart and Update Outlook. …Optimize System Resources for Outlook. …Find and Remove Faulty Add-ins from Outlook. …Increase the Size of the Memory Heap. …Rebuild the OST File.Apr 7, 2025

Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before accessing Outlook.com. You can create a new Fix Outlook troubleshooting hub Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you’ve moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File.

The error 0x a usually occurs due to operation timeout when Outlook tries to connect to the mail server to perform send or receive operation. To resolve this error, check the internet connection and run the Fix Outlook troubleshooting hub SFC (System File Checker) scan on your system. For complete information on this error and its solutions, follow our guide on How to resolve the error “0x800CCC13” Outlook cannot connect to Server. This issue may occur due to problems with Outlook indexing, problematic add-ins, or issues with the Windows search service.

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.