User profiles help make sure that your personal preferences are used when you log on to Windows. If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any Outlook Fix Blog antivirus software add-ins that are installed in Outlook.

Bug fixes, new features, and performance enhancements are released regularly. Sometimes, a weak or unstable internet connection can cause Outlook to misbehave. To check if this is the issue, temporarily disconnect from your Wi-Fi or unplug your LAN cable, and then try opening Outlook again. If you receive a connectivity error, your network might be to blame.

Even if an email address is spelled correctly, a message cannot be delivered if such a mailbox doesn’t exist. Usually, a message of non-delivery will be generated, which will include important details about the delivery problem. When people complete a subscription form, they may enter their email address incorrectly.

Availability has recovered, and engineers are investigating the root cause and identifying problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to Outlook Fix Blog add a 1st party Microsoft alias to their account before accessing Outlook.com.

In the meantime, please use the workarounds suggested for each issue. To edit a shared calendar, go online to your own Outlook.com calendar, open Calendar for Windows 10, or use a mobile device. Read how to Add your Outlook.com account to another mail app. This occurs because custom form script is now disabled by default. To determine the cause of the performance issues, start the Assistant, and run the Outlook Diagnostic in the Advanced Diagnostics section. Serious problems might occur if you modify the registry incorrectly.

To create a user profile, you must first create a user account. When the new account is created, a profile is also created. In System Configuration, if you select a check box, the related service or startup program runs when you Outlook Fix Blog restart the computer.

After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. There’s nothing in particular to warn you about, as there are many informational and diagnostic information there, but reading the entries may lead to a clue about what’s going wrong. To get help and troubleshoot other Microsoft products and services, enter your problem here. To get support in Outlook.com, click here or select Help on the menu bar and enter your query.

If you’ve already clicked the Accept button in Outlook 2016, you won’t be able to re-accept the invitation from another Outlook application. The person who sent you the Outlook Fix Blog invitation will need to remove your permissions and then send a new invitation. Availability has recovered, and engineers are investigating the root cause and identifying problematic servers.

If the check box is cleared, the service or startup program doesn’t run when you restart the computer. Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 files are repaired automatically. If Outlook isn’t stuck at a screen that says “Processing,” or this didn’t resolve your issue, continue to the steps below. Outlook may remain stuck if other Office applications or processes are running in the background.

When you enable this option, calendar actions are sent directly to the server instead of having to be synchronized from local storage. To fix performance issues that affect your Calendar, try the following methods. Also, determine whether any local network issues might be causing the problem. This includes issues that affect your local proxy server, firewall, or Internet service provider. Outlook uses an .ost file only if the Exchange email account is configured to use Cached Exchange Mode.

Recovery Toolbox worked very well and relatively quickly. The original .ost file must be converted to a pst file using Recovery Toolbox for Outlook and then opened in Outlook. Conversion from OST to PST using Recovery Toolbox for Outlook doesn’t require the availability of Exchange Server or Windows Domain Controller. The full version of Recovery Toolbox for Outlook transforms it from a data loss diagnostic tool into a complete data recovery solution.

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. You might need to set Windows Update to automatically download and install recommended updates. 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. Use the classic Outlook connectivity troubleshooter to resolve intermittent connectivity issues.