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on November 9, 2025
Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. Find solutions to common problems or get help from a support agent. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. The https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Microsoft Support and Recovery Assistant has been replaced with troubleshooters integrated into Get Help.
If this profile becomes corrupted, it might fail to load or cause Outlook to crash upon opening. Such corruption could result from improper shutdowns, software conflicts, or corrupted files within the profile. Microsoft regulatory releases new updates for Outlook and Windows (or macOS).
You can view more than one calendar at a time, add other calendars, choose which calendar to display, and create new calendars. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.
We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. Use the People page to find, view, create, and edit contacts and contact lists. To learn more about managing contacts in Outlook.com, go to Create, view, and edit contacts and contact lists in Outlook.com. Each message also has a mini toolbar when you open the message in a new window.
The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues. 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.
Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. This issue has been fixed for Outlook.com country domains. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. 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.
There could be many reasons for this issue, including corrupted Outlook data files, conflicts between add-ins, or outdated software. Let’s explore the most common reasons why Outlook isn’t opening and how to resolve this frustrating situation. 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.
For instructions about how to unhide files and folders, see your operating system documentation. Outlook doesn’t display a desktop pop-up notification when you receive a new email, meeting request, or task request. You have received a meeting request that spans multiple time zones. Or you are traveling across time zones and need to cause a time zone in the Outlook calendar. 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.
These often help resolve issues without the https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html need to contact support. To access the calendar shared with your Microsoft 365 for business account, you'll need to accept the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application.
No matter how many Outlook coding guides you read, there’s always something to throw a wrench in the gears. To start, create a new Personal Folders (.pst) file entry in your profile. Then, you can move the recovered items to your new Personal Folders (.pst) file.
You can learn https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html more about the new and classic tasks in Outlook.com by going to Use To Do App to manage tasks in Outlook. Contact someone directly by selecting Start chat or Send email. If you decide you don't want the calendar you created, right-click the calendar and select Remove. Each message also has a mini toolbar when you open the message in a new window. For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder.
To change your Mail settings so your inbox looks and behaves the way you want it to, see Personalize your new Mail experience in Outlook.com. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.