Troubleshoot Outlook for Windows issues

If you need to increase the number of this limit try the next resolution. Step 1 - The hard limit of recipients for a single email message is 300. Reduce the number of recipients for a single email to less than 300. Step 2 - Follow these instructions to install your Office application. Step 1 - Follow these instructions to uninstall your Office applications. If Outlook Desktop fails to connect, try these steps before escalating the issue to the ET&S Help Desk.

To check if you have received the fix, review your contact list to confirm duplicates have been removed. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September.

For more information, go to Add or remove an email alias in Outlook.com. 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. Some email providers (such as your ISP or even Gmail) won't let you send messages larger than a certain size. Adding pictures and large attachments to your message can prevent you from sending that message (and any messages sent after the large message).

This issue occurs because Outlook cannot open the Forms Library. This issue can occur for Outlook on all Microsoft 365 Office channels. The emerging cases for this issue are on virtual desktop infrastructure (VDI). This is quite annoying and you’re certainly not alone. This should resolve the issue with Microsoft Outlook crashing.

This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a support engineer can review them. To sum up, the blog elaborated on all the major reasons for Microsoft Outlook keeps crashing problem. Furthermore, we learned six manual solutions to fix this issue. So, for a worry-free and risk-free conversion, using the professional tool is the optimum choice.

If Outlook does not crash, this indicates that one or more Add-ins are to blame for the Outlook 365 crash. If this does not resolve the Outlook 365 crash issue, proceed to the next solution. Here is the next solution for your Microsoft Outlook keeps crashing on Windows. This step will show you how disabling the add-ins can help. The PST files will be repaired and the error will be resolved.

Therefore, first, restart your system, and second, check the internet connection. Follow step-by-step outlook troubleshooting the given ways along with their steps to fix the error and access your files. After your account has been repaired, restart Outlook.

Check your settings to see if you've got the "always prompt for password" feature enabled. 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. You should be able to go to Outlook via a web browser and reset your password.

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.

This software is integrated with powerful scanning and repair algorithms that can easily resolve all Outlook email errors and repair personal folder file non-invasively and efficiently. Moreover, the utility supports the all latest Outlook versions such as 2021, 2019, 2016, 2013, 2010, 2007, and all lower versions in Windows OS. If you manually type in the step-by-step outlook troubleshooting secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account.

Also, '-g' represents the default location of Outlook installation and the address after '-d1' describes your profile folder's default path. Therefore, if you installed your Outlook application in a custom location, you'd have to substitute '-g' for the custom location. For users who have the discontinued free email client Windows Live Email, you're likely finding it's high time to export your email to Outlook.

The app might refuse step-by-step outlook troubleshooting to launch or crash at the splash screen. Sometimes, antivirus real-time scanning can slow Outlook down. Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. The good news is that Outlook has a built-in tool to scan for corrupted files. You can also make PST files a smaller size that won't corrupt as easily. The issue might be difficult to identify if you have multiple accounts and a long history with Office 365, Exchange, and Outlook.