My Outlook running very slow
Repeat the process for all the add-ins that were selected earlier and wait until the Outlook crashing problem repeats. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). The steps to access the repair tool vary depending on your operating system.
In addition to smart repair and Outlook repair tips and tricks recovery, the tool allows users to save mailbox items to various destinations like Exchange, Office 365, Gmail, etc. If none of the above methods fixes the ‘Outlook not responding’ problem, then there are chances that the Outlook PST in your Outlook profile is corrupt. In such scenarios, you need to repair the corrupt PST files. Check if the Outlook Will Not Open in Windows 10 error is now gone, by launching Outlook 2016. After you delete the Outlook App Data folder, we suggest you restart your system first and then, open Outlook. When the resetnavpane command is executed, what it does is it resets and removes all the customizations related to the navigation pane.
If you would like a deeper explanation or step-by-step instructions, scroll down to the section covering your issue Outlook repair tips and tricks for more details. If you're committed to the task of Outlook troubleshooting in the meantime, let's get into our guide that will help you solve some of the most annoying Outlook issues. The classic Outlook consistently failed with CAA2000B or 4usqa, depending on the account state. However, when signing in using the new Outlook app, everything worked. Outlook sign-in failures started appearing in multiple tenants without any obvious cause.
One thing that filters are good at is to enable unified inbox ability in outlook that is unfortunately not built in by default. Every antivirus software is different, so you'll want to look up how to specifically enable Outlook with the software you're using. Check your settings to see if you've got the "always prompt for password" feature enabled. You should be able to go to Outlook via a web browser and reset your password. This is one of the more popular Outlook repair tips and tricks 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.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. To access the tool, open Control Panel and select "Uninstall a Program." You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.
To access the filtering options faster, add them to your Quick Access Toolbar. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. Another options is to use the Filter Email button on the ribbon. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. The loading of unregistered MAPI services has been disabled by default to make Outlook more secure. This issue affects all Outlook versions on Windows 7, Windows 8, Windows 10.
Follow the on-screen instructions to update your Office apps. Then, launch your Outlook app, and it should open without problems. If your PC has a virus or malware infection, that may be why Outlook isn’t launching. In this case, run a full virus check on your PC to find and remove any threats.
The first rule of Outlook troubleshooting is to eliminate the most obvious suspects. If you're considering looking for an alternative to Outlook, we offer a swift onboarding experience through IMAP protocols. You can even add your @outlook.com email address to Mailbird and not miss Outlook repair tips and tricks out on any of your important conversations. As an email client ourselves, we have a clear idea of what a desktop app can do to give you a healthy relationship with email. We are dedicated to providing a clean, user-friendly, email software that is easy to personalize to your workflow.
Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. The AppData folder hosts a lot of files, including bookmarks and cached pages. This might be slowing down or overriding other commands in Outlook.
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, Outlook repair tips and tricks but we recommend moving to Windows 11.
If your Outlook crashes when opening Outlook repair tips and tricks or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode. To open Outlook in Safe Mode, follow the instructions below. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem to be missing.