outlook freeze or hang or not responding Microsoft Q&A

As your mailbox size increases, more resources are required to open each folder. If you have a large number of items in any single folder, you may experience performance issues during certain operations. For more information, see Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file. When you install Outlook, an Inbox repair tool (scanpst.exe) is also installed on your PC.

Also, this specific kind of situation is rare, and it will always be entered in the ScanPST log file. If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes methods to stop Outlook crashing it. If that block was part of a specific item in Outlook, the item will be removed when it is validated. It is located in the folder of your original Personal Folders (.pst) file.

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.

Follow the steps below to disable Outlook’s compatibility mode. You may face issues in loading Outlook Profile if you lack Administrative privileges. Must open Outlook with the administrative privileges (Run as Admin). Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

We have mentioned all manual troubleshooting solutions that you can try one by one. However, before that, you must figure out the real cause of the issue. Later, go for the best solution that suits the cause of the Outlook issue. Additionally, if the issue causes PST file corruption, use the suggested software for better results.

Therefore, first, restart your system, and second, check the internet connection. Follow methods to stop Outlook crashing the given ways along with their steps to fix the error and access your files. After your account has been repaired, restart Outlook.

We can teach you how to repair a corrupted file, but to prevent it from happening to other files, we recommend investigating the root cause of the corruption. In that case, you may need to take harsh steps to remove it, as leaving it unattended can harm system files and exploit sensitive information. If you’ve tried everything and Outlook still isn’t working, it might be time to use a trusted and automated Outlook data file repair tool. You can create a new 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.

I'm having an issue with one Outlook 365, the program open and get stuck at loading the user profile, any profiles. Microsoft Outlook is an excellent application with a wide range of features. With Outlook, you can access email, calendar, contacts, and more in methods to stop Outlook crashing a single app, making it user-friendly. Still, like other apps, Outlook also runs into issues sometimes.

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

If Outlook Desktop fails to connect, try these steps before escalating the issue to the ET&S Help Desk. If you have Outlook in your startup folder, remove the shortcut from the startup folder. Restart Outlook and try to reproduce the problem. Find solutions to common problems or get help from a support agent. To update your password in Outlook, see Change or update your email password. If you're having problems setting up your email in classic Outlook, we want to help.

One such issue is when you are stuck on loading your Outlook profile and the set of folders cannot be opened. It’s too frustrating because you can’t even use the app and find out what’s wrong with it. Are you experiencing profile loading issues in Outlook?

If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. Minor correction on the path for the GPO, from Outlook Options to Preferences and then Calendar Options, at least this is in the updated ADMX files I downloaded yesterday. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. The folder may have been deleted or the server where the folder is stored may be unavailable.

Visit the small business help & learning page to learn how you can use Outlook and other Microsoft 365 apps and services in your small business. There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs. To learn more about how to send us feedback, please see How do I give feedback on Microsoft Office. Another options is to use the Filter Email button on the ribbon. Under Calendars, My calendar is the default selection and displays the calendar in Month view. You can move forward or backward methods to stop Outlook crashing through calendar months using the arrows above the calendar.