A good Antivirus program has no compatibility issues with Microsoft Office applications. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com. Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. This kind of error usually indicates some issues on the disk where your Outlook PST file is located.

Use Tasks to create, manage, and track things you want to get done. You can learn more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. At the top of step-by-step Outlook troubleshooting the message list, you can choose how you want to view the list. There might also be a visual alert that a message is unread, has an attachment, or is flagged.

There are three steps you can take to try to get Outlook working again. You might need step-by-step Outlook troubleshooting 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 Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities.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.

Typically, to repair Outlook, you may need to follow the following steps:Close Outlook and open the Control Panel.Click on Programs and Features.Find Microsoft Office in the list of installed programs and click on it.Click on Change and then select Repair.Follow the prompts to complete the repair process.Nov 17, 2023

If the self-help doesn't solve your problem, scroll down to Still need help? Set up your account manually as an IMAP or POP account in step-by-step Outlook troubleshooting Outlook. Visit Firefox support to learn how to Disable or remove Add-ons. You can also Sign out manually then close all browser windows. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user.

Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Since your app doesn’t open, you’ll have to use another Office app on your PC to trigger the update. This is because when you update one Office app, it automatically updates all other Office apps on your PC. When your cache files are deleted, launch Outlook, and the app should open without problems.

Once you’ve used this app, launch your Outlook app, and it should work as expected. For Outlook not opening problems, you can use Kernel Outlook PST Repair to fix the corrupt PST file and import it to restore mailbox items. This innovative Outlook PST recovery software repairs large PST files without compromising their integrity. It is is an advanced tool that gives you the ability to fix all major errors in your Outlook data files. Besides, it allows you to save the repaired PST file in multiple formats, like HTML, RTF, PST, etc, and even to the cloud, Microsoft 365 destination. If your Outlook version is outdated, that may be why you can’t open it.

Mithilesh also has a strong grasp on email migration & data recovery. He enjoys validating every component of the software, technical materials, and anything else that has to do with his working life. Whenever something goes wrong with Microsoft Outlook, it is strongly recommended to run Outlook in safe mode. If you run Outlook in safe mode, this will allow Outlook to be loaded without the add-ins and other customization files.

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.

Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or shut itself down. There are quite step-by-step Outlook troubleshooting a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing. Customers using the contact support buttons at the foot of the support pages, or the "email us" links in support Virtual Agent, are unable to open the Help Pane.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. The folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation.

Find solutions to common problems or get help from a support agent. To get help and troubleshoot other Microsoft products and services, enter your problem here. Some customers may step-by-step Outlook troubleshooting not be able to see their Profile, Account or Sign Out options when selecting their picture on the top toolbar. Some users may not be able to empty their Deleted Items folder. We will update this article as soon as we have more information on a fix. While we fix the problem, you can send the file as a OneDrive link.