Start Outlook in safe mode to fix "Processing" screenIn Windows 10, choose Start, type Outlook.exe /safe, and press Enter.In Windows 7, choose Start, and in the Search programs and files box, type Outlook /safe, and then press Enter.In Windows 8, on the Apps menu, choose Run, type Outlook /safe, and then choose OK.

In some specific cases, we observed that the problem no longer stayed after deleting the Outlook App Data folder. Thus, you can try deleting the Outlook App Data folder and check whether Outlook functions in your case; follow the below process. After the scan is complete successfully, try to open Outlook 2016 again and check if it throws the same error message or is now working perfectly. Now, launch Outlook 2016 again and check if the issue persists or not, and if it does, you may follow up with other workarounds given below. You can choose to repair the program both online and offline, whichever solutions suit you best.

It is therefore crucial that these Outlook errors are resolved as soon as possible. This guide discusses methods to quickly fix the Outlook not opening issue in Windows 10. To repair the PST files, you can use the in-built tool ScanPST, which is provided by Microsoft, but it repairs minor corruptions and files up to 2GB only. So you can opt for an automated solution – Kernel for Outlook PST Repair.

Microsoft says Office users may experience problems launching Outlook and other apps on Windows 10 and 11 due to conflicts with antivirus software after installing the latest Patch Tuesday update. I did every solution what was written in this community, but this didn't resolve my issue. A how to repair Outlook quickly vast community of Microsoft Office365 users that are working together to support the product and others. 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.

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Outlook caches various files to speed up your app experience. When you have issues with the app, it’s likely the app’s cached files are corrupted.

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. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.

For more information about when builds are available for their respective channels, go to Update history for Microsoft 365. We're investigating the issue and will update this page when a fix is available. If you're using Outlook 2010, Outlook 2013 or Outlook 2016, uninstall and re-install iCloud to resolve this issue. This issue affects Outlook 2007, Outlook 2010, Outlook 2013, and Outlook 2016. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface. Follow along with the video below to see how to install our site as a web app on your how to repair Outlook quickly home screen.

Then, right-click a selected file and choose "Delete" (a trash can icon). You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can how to repair Outlook quickly often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. In Windows, Outlook not opening errors can disrupt email communication, which can negatively affect productivity and business operations.

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. See Change or update your email password for more information.

The good news is that most "Outlook won’t open" errors can be resolved with a few proven troubleshooting steps. If the above how to repair Outlook quickly steps, especially ScanPST.exe, fail to resolve the "Outlook won’t open" error, your Outlook data file is likely severely corrupted or extensively damaged. In such critical situations, a specialized and reliable professional tool like the Aryson Outlook PST Repair Tool becomes the best solution. Yes, you can often fix Outlook without reinstalling Office.

To sum up, we explored several methods to fix "Outlook won’t open" errors. Whether it’s a profile issue, a corrupted PST file, or faulty add-ins, the methods above can help you get Outlook running again. When Microsoft Outlook refuses to open, it’s incredibly frustrating. This issue often stems from common culprits like a corrupted user profile, a damaged data file (PST or OST), or even a minor conflict within its settings or add-ins.