Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. If your mailbox is full, we won't be able to reply to your request. Check that you have not Fix Outlook Site 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.

Solutions to Troubleshoot 'Out of Memory or System Resources' ErrorCheck Resource Usage. ...Restart and Update Outlook. ...Optimize System Resources for Outlook. ...Find and Remove Faulty Add-ins from Outlook. ...Increase the Size of the Memory Heap. ...Rebuild the OST File.Apr 7, 2025

Make sure you close Outlook before you start Recovery Toolbox for Outlook. Try to download the newer version of our software and install it. Our software can recover data only from an existing file. You can try to restore your file with some unerasing software and then recover it with Recovery Toolbox for Outlook.

Launch the recovery assistant if you've tried everything else and Outlook is still crashing. It also allows you to upload your results to Microsoft for review by a support engineer. Perfectly repair and recover corrupted Outlook PST & OST files. Corrupted or badly set-up Outlook profiles can often cause start-up problems. The app might refuse to launch or crash at the splash screen. The PST files will be repaired and the error will be resolved.

We recommend trying both recovery methods to recover as much data as possible. OST files can be quickly and easily converted to PST files using Recovery Toolbox for Outlook. Repairing mailboxes after the corruption of the Exchange Server database file. This allows you to bypass the limitations on the RAM that can be used by each component and convert OST files of virtually any size.

We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. Switch your alias to an Outlook.com or Fix Outlook Site Hotmail.com account. After installing the September Public Update, Outlook 2007 displays mixed languages in the user interface.

You can view more than one calendar at a time, add other calendars, choose which calendar to display, and create new calendars. 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. We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars. This fix will also lead to a reduction in the total number of contacts on your contact list. We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up.

Or, if the problem is itself due to oversized PST getting corrupt, you need to recover PST data as soon as possible. Let us switch to professional suggested software. Most businesses and organizations rely on Outlook for daily communication and scheduling. This issue can disrupt your workflow and lead to data loss if not addressed promptly. Therefore, to help you out with this issue, here is a comprehensive guide Fix Outlook Site with some effective troubleshooting solutions.

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. The "Cannot open the Outlook window" error can be fixed quite easily. 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. 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.

If this does not resolve the Outlook 365 crash issue, proceed to the next solution. Priyanka Kumari is a technical content writer in the fields of Email Migration, Data Recovery, Cloud Migration, and File Management. She is dedicated to simplifying complex technology terminologies for all users. Her articles and guides demonstrate her commitment to streamlining email management for professionals or businesses of any size.

ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025

They’re like helpful accessories, but sometimes they can cause trouble. To troubleshoot the "Outlook Won’t Open in Windows 10" error, try these solutions. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. If you are figuring out how to fix "Outlook Not Opening," you will find several possible solutions. The best part is that you are spoiled for choice because some are quick to implement while others are time-consuming.