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on January 30, 2026
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.
If you get the error "Cannot open the Outlook window" when trying to start Outlook, the error usually indicates that Fix Outlook troubleshooting hub your Folder Pane or Navigation Pane settings holds a corruption. Just to make sure you are not trying to troubleshoot an issue which has already been solved, before you begin verify that you have installed all updates for your version of Outlook. Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. 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.
The root cause was the deployment of an incorrect campaign data file, which led to Fix Outlook troubleshooting hub 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. 1- Going to add resource room calendar via "Add Calendar" → From Address Book → Global Address List. 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.
While Outlook has limited built-in options, they often fail when dealing with severely damaged or orphaned files. It enables you to recover data from damaged OST files and convert them into accessible PST format, preserving the original folder structure and formatting. ScanPST.exe is a useful tool that can help you repair and restore corrupt or damaged PST file. However, it may fail if the PST file is severely corrupt, oversized (larger than 2 GB), and/or encrypted. In such cases, you use an advanced Outlook PST repair tool, such as Stellar Repair for Outlook, to repair severely damaged and/or large PST file with complete integrity and precision.
Once the PST file is repaired, you can import the repaired PST file into a new or existing Outlook profile to restore and access all mail items. In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. 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 Fix Outlook troubleshooting hub repair tool that Outlook can't place in their original structure. Moreover, this tool can quickly recover email messages, calendars, tasks and other data from corrupted PST files. It also offers a filter option; users can filter items using different criteria when they want to have only the desired items to process.
When you add someone as Fix Outlook troubleshooting hub a favorite in People, they'll also show up under Favorites in Mail, and the other way around, provided that the contact has an email address. 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. When you select a specific day in the calendar, any appointment or event scheduled for that day is listed in this area. You also can select a day or time slot and create a new appointment or event.
Depending on the answers, you could possibly skip large portions of this guide or even directly get a solution to your startup issue. Either disable caching or reduce the cache from unlimited, 12 months or whatever it is, to 3-6 months, all other data, the user would have to click ‘access on server’ or some other similar verbiage. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities.
Recover email that's been removed from your Deleted Items folderIn the left pane of Outlook on the web or Outlook.com, select the Deleted Items folder.At the top of the message list, select Recover items deleted from this folder.Select the items you want to recover, and select Restore. Notes:
Recovery Toolbox worked very well and relatively quickly. The original .ost file must be converted to a pst file using Recovery Toolbox for Outlook and then opened in Outlook. Conversion from OST to PST using Recovery Toolbox for Outlook doesn't require the availability of Exchange Server or Windows Domain Controller. The full version of Recovery Toolbox for Outlook transforms it from a data loss diagnostic tool into a complete data recovery solution.