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on January 16, 2026
You can also enable the OST file by turning on or turning off the Cached Exchange mode in Outlook. At a higher level, the more visible changes that you see involve folders and messages. If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes it. If that block was part of a specific item in Outlook, the item will be removed when it is validated. For instructions about how to unhide files and folders, see your operating system documentation.
Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. If you need to update your email's POP or IMAP account settings, please go to POP and IMAP account settings for more information. However, if you want to change your password with your email provider, you'll need to visit their website or help desk, or contact your email administrator. For example, if you have a Yahoo! account, you first have to change your password at Yahoo.com. Once you've changed your password with your email provider, you can update the password in Outlook.
If you need to fix an Outlook file that is corrupted for any reason, then the full version of Recovery Toolbox for Outlook will allow you to do this in a few simple steps. Outlook PST file repair occurs by copying the corrected data from the damaged .pst file to a new PST file on disk. All recovered data transfers to a new PST file with preservation of the folder structure and properties of all objects. My Outlook PST files (30+GB) were still accessible but running off a hard-drive that had started to fail with bad sectors. I was unable to clone the drive or copy the PST files to a new location.
For New Outlook issues, check Microsoft’s support pages. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element.
If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. A profile is a group of settings that controls how Outlook works. It includes a listing of your accounts, autocomplete information, and your name and initials. To repair your Outlook profile or create a new one, see Fix your Outlook email connection by repairing your profile. If that message has an attachment that's larger than 20MB, delete the attachment and either attach a smaller file or attach a link to the attachment. For more information, go to Reduce attachment size to send large files with Outlook or Exchange Online limits.
Find the Microsoft 365 app and right-click on it to see the available options. You will see two options – Change and Uninstall. A vast community of Microsoft Office365 users Fix Outlook Site that are working together to support the product and others. Select faulty or incorrect add-ins and click Remove. In this guide, we will learn how to repair Outlook 365 in Windows 10/11 with the best possible ways.
Right-click the folder, and then click Properties to check your permissions for the folder. See the folder owner or your administrator to change your permissions. 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.
Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Sometimes you’ll open Outlook and 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.
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 Fix Outlook Site 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.
Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. 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.