The built-in Outlook startup repair solutions back-off mechanisms in the indexing component of Windows Search or WDS pauses the indexing of Outlook data when the system is under heavy use. The easiest way to let the indexing finish is to leave Outlook running overnight.Additionally, you can 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. I even reduced mailboxes sizes and that didn't help, I setup a new user (albeit existing PC but new windows profile), and he is having the same issues. If the mailboxes open automatically after removing them and restarting Outlook, they may be auto mapped. This setting can be changed by an Exchange admin by submitting a request via Jira and including the usernames of the client and the usernames of the mailboxes that need to be removed.
But the problem arises when you don’t know the correct way of doing it. If this method works, try disabling your add-ins and any recent customizations that you may have made in Outlook to permanently fix the issue. You might have either fixed your Outlook or the issue persists. If the issue continues to trouble you, then you have to continue with the solutions mentioned below.
If you need to increase the number of this limit try the next resolution. The maximum number of recipients for an individual email through USNH IT mail servers is 300. Step 1 - Follow these instructions to uninstall your Office applications. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You might need to set Windows Update to automatically download and install recommended updates.
We recently surveyed 287 of our users to ask, "What made you try Mailbird in the first place?". 27% moved to Mailbird specifically because Outlook startup repair solutions of bugs or support issues with their other email clients, 17% of which specifically called out Outlook. The fact of the matter is, Outlook doesn't always cooperate with your computer other applications. If you're tired of different bugs slowing things down or dealing with corrupted files, we are happy to show you how Mailbird can give you a better experience.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. In this window you can check the status, the number of failed requests (under Req/Fail), and which mailbox is experiencing the issue. Outlook email accounts are provided to employees, students, alumni, retirees, and for generic accounts.
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
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. You may see one of the following errors in a pop-up message on your screen. If you are unable to connect or are prompted for your password repeatedly attempt the following options.
To reduce the number of items that are stored locally, limit the synchronization window that's used for shared folders. These keys don't clean up older Calendar content that was already downloaded. However, this method can be effective if you're willing to clear offline items and resync your Calendar (instead of bulk deleting old items). If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. In Sync Window Settings, adjust the number of months of data that are synced for the primary shared calendars. Use the Turn on shared calendar improvements option for users who have edit permissions to a shared calendar to improve performance.
This happens because Outlook sometimes blocks unknown attachments to safeguard users’ data. The error 0x800CCC13 in Outlook appears when trying to send an email. The error message indicates a connection issue but it can also occur due to other reasons, like incompatible add-ins, virus or malware intrusion, or bad sectors on the drive.
To resolve this Outlook issue, you can follow our comprehensive guide on How to Fix Outlook Search When Not Working. In case your Outlook PST is corrupt or damaged, you can always look for third-party Outlook PST Repair Tool to fix the issue. Inbox Repair Tool or ScanPST.exe Outlook startup repair solutions is a free utility provided by Microsoft. However, for severely corrupted PST files, it’s recommended to use a third-party repair tool.
Although it's not possible at the moment to turn Outlook startup repair solutions the feature off entirely, you can choose to remove it from your favorites list by right clicking the folder and selecting Remove from Favorites. 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. 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.