Find solutions to common problems or get help from a support agent. 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.
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.
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 https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html 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.
Use the Microsoft 365 shared computer activation (SCA) troubleshooter to enable shared computer activation for Microsoft 365 applications. Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. If you have Outlook in your startup folder, remove the shortcut from the startup folder. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. Our Account Managers and Distribution Team fulfills orders quickly and efficiently, giving our customers digital downloads in record time so they can move on to their next big project.
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.
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. 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. For more information, go to Reduce attachment size to send large files with Outlook.
If you're having problems setting up your email in classic Outlook, we want to help. Find solutions to common problems or get help from a support agent. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. You can give feedback by selecting Help from the top menu, then Feedback. If your mailbox is full, we won't be able to reply to your request.
It's incredibly common to have Outlook crash because of a corrupted PST file. Add-ins are a pretty frequent culprit for Outlook lagging issues because they are meant to provide additional functionality, but they put additional pressure on loading time. There is nothing worse than when you are working on something important, you go to send off an email, and troubleshoot Outlook errors (https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html) freezes or you see that dreaded "not responding" message. Sometimes, it may be your Outlook app itself that is damaged.
If you are using Outlook on a PC, you can check to see what is currently permitted by your computer or try to reset the Credential Manager and remove any old passwords. The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. It could be as simple as an out-of-date version of Outlook's software. Once an update has been run on your system, the bug may be rectified.
Some Safari users are unable to add https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html email addresses in the To section, or cannot point the cursor in the To field. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. If you are having problems with Outlook, there are a few things we can help with to get you back to sending and receiving your email.
Due to the large number of affected users, the automated fix took time https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html to apply. Microsoft advised using a manual workaround to restore access more quickly. A notification will be sent once the incident is fully resolved. We can diagnose and fix several common Outlook connectivity issues for you. If our automated tool can't fix your issue, or you'd like to fix it yourself, see the next section. Sometimes, antivirus real-time scanning can slow Outlook down.