Troubleshoot Outlook for Windows issues

Read how to Add your Outlook.com account to another mail app. If you’re still unable to send or receive email, read how to Fix Outlook.com email sync issues. We are aware that some users may not be able to receive email from Gmail accounts. This is a limited experiment for a sample of customers.

There are three steps you can take to try to get Outlook working again. Visit the Office 365 Service Health portal to check the current status of Outlook and other Microsoft services for any reported issues or ongoing maintenance. Julia Furkulitsa is an email expert with in-depth knowledge of inbox management, email apps, and everyday email tasks.

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This alias will be added to their account as a secondary alias, with the original 3rd party alias will continue to be set up as the primary. Once this step is complete, the user will land in their Outlook inbox and be able to use all Outlook functionality with this new email address. 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. 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.

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We hope this guide proves useful in resolving your Outlook problems efficiently. If Outlook shows an error like “Cannot open attachments”, this could be due to unsupported file formats, outdated Outlook versions, corrupted attachments, Repair Office 365 installation errors or security restrictions. Faulty hard drives or disk errors can corrupt the Outlook data stored locally. This creates crashes that seem random—until you dig into the hardware logs. Outlook slows down, crashes randomly, or fails to load entirely. Users often turn to Microsoft’s ScanPST tool, but it struggles with large files and doesn’t always finish the job.

• Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference.
• As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind.
• Check the status bar at the bottom of the screen to see if another process is running.
• Read on to find out how to fix common Outlook problems below.
• The root cause has been isolated to a bug introduced in build 8962, which was partially reverted, and further mitigation efforts are ongoing.
• This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart.

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Visit Firefox support to learn how to Disable or remove Add-ons. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user. We will update this article as soon as we have more information on a fix.

Resolution – Recover Deleted Items

There’s nothing in particular to warn you about, as there are many informational and diagnostic information there, but reading the entries may lead to a clue about what’s going wrong. Note that you can sort by clicking on the Source column. If you have Outlook in your startup folder, remove the shortcut from the startup folder. TrustedTech is a Microsoft solutions Partner in the following areas. Save the repaired file to PST, MSG, EML, PDF, HTML or export directly to Office 365. Outdated or conflicting ones can mess with Outlook’s core performance, causing unexpected slowdowns or outright failure to launch.

Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. Microsoft Outlook is one of the most widely used email clients globally, especially in professional and business environments. Outlook also comes with strong built-in security features, making it a reliable choice for managing communication and workflow. Outlook crashes are never good, but you do not have to face them unprepared. Understanding the root causes and using the right tools can make all the difference.

As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind. 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.

Outlook issues after connecting Outlook to Outlook.com

While built-in tools like ScanPST offer a basic Safety net, they often fall short when it comes to rectifying deeper file damage. In addition, you can export directly into Office 365 mailboxes after recovery with no middle step required. Using Cached Exchange Mode in complex environments can lead to painful sync delays. If a user has a large mailbox or lots of folder nesting, syncing might lag or even crash. Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. It warns that once you pass certain limits such as the number of folders or messages, performance can nosedive.