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on November 22, 2025
The maximum number of distribution group members is 100,000 members, and the recipient rate limit is 10,000 recipients per day. 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. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
For more information, see Introduction to Outlook Data Files (.pst and .ost). Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
The old version of Microsoft Outlook can crash sometimes due to bug issues. Updating your Outlook to the latest version can solve the issue as the latest version might be released with fixing those bugs. Add-ins improve your Outlook by providing more features and enhancements. But in some cases, it may interfere with normal functioning and may cause Outlook to crash/hang. To disable add-ins, follow the instructions below. If your Outlook crashes when opening or on startup or even if Outlook stucks at Processing, you can fix it by opening Outlook in Safe Mode.
Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
We have found a pretty easily solution that most of the time with this error. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. If the issue is urgent or affecting your work, don’t waste time trying 20 fixes. Our certified Outlook support team is here to resolve the issue remotely. When you install Office, an Inbox Repair Tool (SCANSPST.EXE) is also installed on your PC. The Inbox Repair Tool can resolve issues by scanning your Outlook data files and repairing errors.
If you're having problems setting up your email in classic Outlook, we want to help. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. Step 1 - Follow these instructions to create a distribution group. Find solutions to common problems or get help from a support agent.
This automated tool should help you resolve most errors in Outlook. However, if the problem still persists, may the issue is with your PST file, which we will cover in the next solution. I’m not certain to which post you’re referring, but everything that’s been mentioned so far can be done directly by the user. No elevated permissions are required https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html to do any of these steps.
Visit the Technology Help Desk Support page to locate your local campus contact information or to submit an online technology support request. For password issues you must call or visit the Help Desk in https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html person. You may see one of the following errors in a pop-up message on your screen. Step 1 - For both Windows and MacOS users, Microsoft Outlook has the ability to recover deleted items Outlook Desktop App. If you can't receive new email messages, there are several troubleshooting steps you can take.
Add, edit, or delete events using daily, weekly, or monthly views. For more information about working with calendars in Outlook.com, go to Using the calendar in Outlook.com. Select More to see additional actions—for example, an option to print a message.
When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If you can't open Outlook, or Outlook disappears https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html or crashes, one of your add-ins may be to blame or you may need to update Outlook. Minor correction on the path for the GPO, from Outlook Options to Preferences and then Calendar Options, at least this is in the updated ADMX files I downloaded yesterday. The folder may have been deleted or the server where the folder is stored may be unavailable.
Some users may not be able to empty their Deleted Items folder. While we fix the problem, you can send the file as a OneDrive link. This is one of the classic example where https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html Microsoft rolling out updates that has not been fully tested yet and causing headache for IT professionals. The Microsoft technician was very frank that the new Shared Calendar Improvements are a mess right now. We are testing the GPO and intend to roll it out to everyone next week.
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troubleshooting outlook startup issues, outlook fix resource center, fixoutlookhelp.wordpress.com
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