If you want to fix PST files using this tool, make sure to have a proper backup of the Outlook PST before processing. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. If you can't start the Inbox Repair tool automatically or manually, you may try to repair your Office application. If you do not see the files in the default locations above, you can use Outlook to identify the file location. When you are online, Outlook synchronizes the data in the OST file with the site Exchange Server, ensuring that you have the most up-to-date information.
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 site through calendar months using the arrows above the calendar.
I have ran outlook.exe /cleanrules and Outlook will run perfectly (without crashing) all day. But as soon as the user closes outlook and re-launches, without the /cleanrules, outlook will begin crashing again every 30 minutes. This step site creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a support engineer can review them. Hopefully, now you understand why Outlook keeps crashing and how to fix it. We have mentioned all manual troubleshooting solutions that you can try one by one.
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
Sometimes you’ll open Outlook and site then for no apparent reason, it will freeze or shut itself down. There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. Outlook crashes are never good, but you do not have to face them unprepared.
ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
This is one of the more popular culprits as to why Outlook repeatedly asks for your password. It might be that antivirus software is trying to block a function that is repeatedly trying to squeeze through the firewall. There are a number of causes to Outlook not working you can troubleshoot. If you want to learn how to fix Outlook issues involving a frozen screen, here are some things you can do. There is nothing worse than when you are working on something important, you go to send off an email, and Outlook freezes or you see that dreaded "not responding" message. If your Outlook profile is listed under the Privacy tab, Spotlight will not index it.
If that block was part of a specific item in Outlook, the item will be removed when it is validated. The Inbox Repair tool is automatically installed with all English-language Microsoft Outlook installation options depending on your operating system. For instructions about how to unhide files and folders, see your operating system documentation. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If everything goes correctly, you’ll get the Repair complete dialog after some time.
This is a lightweight app designed to handle multiple accounts and fairly moderate email use. New features like Files and attachment previews let you see your pictures and files without leaving your inbox. If you manually type in the secondary connected account email address site in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. If you 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. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com.
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.