There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs. To learn more about how to send us feedback, please see How do I give feedback on Microsoft Office. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers. You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's attached to an email.

We can practically feel your frustration through the screen. There's about a dozen things on your to-do list, yet most of them you can't get to because your Outlook email is steps to fix Outlook not opening giving you trouble. 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.

These issues might occur if a mailbox contains lots of folders or there are lots of items in any one folder. There's no hard limit to how many folders a mailbox can contain or how many items a folder can contain. However, you might experience decreased performance as the number of items approaches 10,000 calendar items, 10,000 folders, or 100,000 mail items per folder. Large numbers of recurring meetings or long-lived recurring meetings can also have an exaggerated effect on performance. One-time meetings have a relatively small effect, and long-lived, recurring meetings have a greater effect. A change that's made in an instance of a recurring meeting creates exceptions that are stored in the recurring meeting series.

In short, even small things can make Outlook stop working. But the good part is, you can fix most of these problems with simple steps. If you have Outlook in your startup folder, remove the shortcut from the startup folder. It's a by-product of making more space on your PC, you delete things you don't think you need anymore.

Although it's not possible at the moment to turn the feature off entirely, you can choose to remove it from your favorites list by right clicking the folder and selecting Remove from Favorites. 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. Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com.

Although the repair process might recreate some of the folders, they may be empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. If your Outlook data file is damaged, you’ll need this tool. It’s built into Outlook and helps repair PST and OST files. Many users report common Outlook problems on Microsoft forums and support platforms. In this guide, we’ll walk you through practical, do-it-yourself solutions to troubleshoot and fix these issues so you can get back to work without delays.

Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you manually type in the secondary connected account email address in the "From" field, the email is sent as "On behalf of" your primary Outlook.com account. You can use steps to fix Outlook not opening Microsoft Support and Recovery Assistant to diagnose both Calendar and Mail issues that affect Outlook. To download and install the Assistant, see About Microsoft Support and Recovery Assistant. In some cases, an Outlook messaging profile may be misconfigured.

As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. Find solutions to common problems or get help from a support agent. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.

However, steps to fix Outlook not opening it will stop Outlook from recording detailed information about its actions, which can sometimes assist in troubleshooting issues but is not necessary for regular use. This simple process aids in deleting all the items in your Deleted Items folder, freeing up space and tidying your Outlook mailbox. In short, it will also help you to fix Outlook is Very Slow and Not Responding.