One of the failed sign-in windows showed a long string under a field labeled Microsoft Information Protection API. Running that value through the Entra admin portal revealed what we needed. At that point, the focus shifted to what was happening during authentication. The answer came from a closer look at the Microsoft Entra sign-in logs and a hidden dependency that I wasn’t aware of.
If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or common Outlook startup issues shut itself down. There are quite 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.
If Outlook is still not working correctly even after restarting it, then you could try repairing the program and restart your computer afterward. Outlook is one of the most complex applications of the Microsoft Office suite, which makes it extremely resource-hungry. Outlook may hang common Outlook startup issues simply because it does not have enough memory to run or perform a required operation. This is often the case with outdated and low capacity PCs, however even modern and powerful ones cannot feel secured against this.
#2. Uncheck The Hide OptionFirst, look at the bottom of your screen, where you see all those icons.There's a little button that shows hidden icons. ...Afterwards, look for the Outlook icon. ...Inside the options, find 'Hide When Minimized.' Uncheck it.More items...•Apr 25, 2024
Sometimes, when Outlook isn’t working right, a simple restart can help. When you turn your computer off and on again, Outlook and your computer may solve many problems. As a result, it helps to clear out any issues or things that might be causing trouble, like when you clean up a messy room.
If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. Some customers may experience a delay when trying to create a new email address, or alias, for their Outlook.com account. None of the events or information was lost in the move to the new calendar.
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.
We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. TrustedTech is dedicated to being a reliable resource for all software and technology support needs. Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element. Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications. Use the Microsoft 365 sign-in troubleshooter to help resolve sign-in issues encountered with Microsoft 365.
Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don't match what you see on your screen, you might be using a different version of Outlook. If you can't receive new email messages, there are several troubleshooting steps you can take. If you've successfully sent and received email from classic Outlook before, and now Outlook repeatedly asks you to reenter your password, one of two things may have happened.
Users who had been working normally suddenly common Outlook startup issues received the CAA2000B error / AADSTS (after the token expired). 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. We hope this guide proves useful in resolving your Outlook problems efficiently. Outlook accounts can have up to 100GB of storage per mailbox.
Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, common Outlook startup issues such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support. Get Help has troubleshooters for Microsoft 365 you can run for many common scenarios. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps.
Read on to find out how to fix common Outlook problems below. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Classic Outlook for Windows. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue. If you're trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that seem common Outlook startup issues to be missing.