Visit the small business help & learning page to learn how you can use Outlook and other Microsoft 365 apps and services in your small business. If you're still unable to send or receive email, read how to Fix Outlook.com email sync issues. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. We're aware of an issue where some users see the error message "Your message can't be displayed right now". This issue has been mitigated and we are continuing to monitor the issue to ensure stability.

If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ what dialog boxes might be stopping Outlook from responding. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.

A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue. One of the first and most effective steps is to launch Outlook in Safe Mode. This mode turns off all add-ins and custom settings, helping you quickly identify if a third-party add-in is causing the startup problem. If you have reached here then we hope you got the solution as required to fix Outlook is having trouble starting.

We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance enhancements are released regularly. There are a number of possible reasons for Outlook to behave this way.

Corrupt data in the profile can cause many Outlook issues, starting a new profile will re-create the https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ databases and get you going again. MacroView software relies on Microsoft WPF to create its modern interface, which in some cases can be graphics display intensive. The MacroView client also passes most write operations via the %appdata% folder, which, when shared, could slow performance.

Set up your account manually as an IMAP or POP account in Outlook. Customers using the contact support buttons at the foot of the support pages, or the "email us" links in support Virtual Agent, are unable to open the Help Pane. You can also Sign out manually then close all browser windows. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user. While we fix the problem, you can send the file as a OneDrive link.

In the meantime, please use the workarounds suggested for each issue. 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, https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. Learn how to collect, map, prioritize, test, and iterate on user feedback to refine your value proposition and user journey in user experience design.

This shouldn’t be an issue, however, because if Scanpst finds any errors, it will prompt you to make a backup before attempting to repair the file. In this window you can check the status, the number of failed requests (under Req/Fail), and which mailbox is experiencing the issue. To the right of each https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ folder is the Empty drop-down menu which provides options to delete all items in that folder, or items 3 months and older, 6 months and older, and 12 months and older. For more information on how to improve Outlook performance when using MDaemon Connector, you can review our Improving Outlook Performance how-to guide. Each folder will be listed with its size and number of messages. Outlook email accounts are provided to employees, students, alumni, retirees, and for generic accounts.

If the above steps, especially ScanPST.exe, fail to resolve the "Outlook won’t open" error, your Outlook data file is likely severely corrupted or extensively damaged. In such critical situations, a specialized and reliable professional tool like the Aryson Outlook PST Repair Tool becomes the best solution. A damaged or corrupted Outlook user profile is a common reason for "Outlook won’t open" errors.

We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share feedback, see How do I give feedback on Microsoft Office. The https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ folder may have been deleted or the server where the folder is stored may be unavailable. You don't have appropriate permission to perform this operation. To access the filtering options faster, add them to your Quick Access Toolbar.