The indexing feature is essentially a catalogue that is built from all of the information you receive in your email. Your searches refer to this catalogue, so that you don't have to check every single folder and email for a term. Existing Hotmail accounts have been permitted to keep their email addresses as well. You can still create a new email address with @hotmail.com as the domain name. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device.
This goes https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ to prove that the problem came from your original Outlook profile. Check the solutions to fix "Outlook not opening" problem and how to avoid "Outlook won't open" again. These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac.
The good news is that Outlook has a built-in tool to scan for corrupted files. You can also make PST files a smaller size that won't corrupt as easily. Outlook has a location where you can manually add approved email addresses to the Safe Senders list and ensure they never end up in your junk mail.
Specifically around FSLogix (which we use) and a known issue. We’re going to add the registry setting to roam the paths listed in the known issue and re-register appx and see how we go. There are also notes about legacy per-user auth being an issue, however we had two accounts left in per-user auth but none with the issue. If you think that it is patch related, roll back the patch and see if that fixes it for the end users.
You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding. To manage your mailbox by reducing the size of the Outlook data file, see https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ Reduce the size of Outlook Data Files (.pst and .ost). Your profile stores a variety of settings that control how Outlook looks and feels.
You may find missing mail items after setting up a new profile. You may also create a new Outlook profile to resolve the send and receive errors. Outlook Error 0x a shows an error of server timeout with Outlook’s receive/ send functionality. This error is caused due to connectivity problems and inappropriate settings with the files of Outlook data. After this, restart the system and launch Outlook to check if the Outlook send and receive error is resolved.
The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. The easiest way to find out if this is the problem is to temporarily disable your antivirus https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ software and log in to Outlook as usual.
I am not quite sure when this started, otherwise I would have rolled back updates and/or removed recently installed apps. I recently uninstalled and reinstalled Office but it only made the issue worse. In System Configuration, if you select a check box, the related service or startup program runs when you restart the computer. If the check box is cleared, the service or startup program doesn't run when you restart the computer.
If you get the error "Cannot open the Outlook window" when trying to start Outlook, the error usually indicates that https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ your Folder Pane or Navigation Pane settings holds a corruption. Just to make sure you are not trying to troubleshoot Outlook errors (https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/) an issue which has already been solved, before you begin verify that you have installed all updates for your version of Outlook. Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. Most Outlook problems can be resolved with proper troubleshooting and maintenance. Following the fixes above will help you keep your Outlook running smoothly and protect your productivity.
Outlook forwards meeting invitations to other attendees without anyone actually sending an update or forwarding an invite. This happens to accounts that are configured in the iOS Mail app. 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. Follow these steps to check and verify that your Outlook email settings are correct. Let’s start with the solutions to fix these common Outlook errors.
If the network is performing slowly, Outlook must wait for read and write operations to the AppData directory to finish. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature. Make sure that the latest updates for Outlook are installed. For more information, see How https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ to install the latest applicable updates for Microsoft Outlook (US English only). For more information, see Support for Office 2016 and 2019 clients connecting to Microsoft 365 services has ended. Running the /resetnavpane command removes all customizations to the navigation pane.