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  • Hye Cranford
  • 5412082
  • Issues
  • #3
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Issue created Oct 30, 2025 by Hye Cranford@hyecranford091Owner

Classic Outlook not responding, stuck at "Processing," stopped working, or freezes

There are quite a few different causes for this, but one of the most common is a defective add-in. Here’s how to disable add-ins in Outlook even when it keeps crashing. You have successfully created a Distribution Group. The maximum number of distribution group members is 100,000 members, and the recipient rate limit is 10,000 recipients per day. 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.

If you're trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. For Gmail accounts, see Add a Gmail account to Outlook. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind.

Maybe you've added a new program to your computer that doesn't get along with Outlook, or your system has a virus. Regardless of the specific cause, there are several key troubleshooting fixes to try that might help. This command clears any broken settings related to the navigation pane and can frequently Fix Outlook Site (sites.google.com) startup issues. Below, we’ll guide you through a series of solutions, from simple, quick fixes to more in-depth repairs, to help you get Outlook up and running again. If it starts without any problems, you can check sites.google.com the add-ins. Moreover, it will help you to get the answer to which add-in is causing the issue.

If your internet is slow or spotty, Outlook might struggle to sync data. Outlook freezing or becoming unresponsive isn’t just frustrating—it can derail your entire day. Lost work, missed deadlines, annoyed colleagues… It’s the kind of headache no one needs. Find solutions to common problems or get help from a support agent. If Outlook is in use by another process, this information is displayed in the status bar at the bottom of the screen. If you try to perform other actions while Outlook is in use, Outlook may not respond.

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. A software rollout over the weekend was deployed incompletely, causing one component to send a high volume of messages to another component that had been deleted, overwhelming the routing plane servers. Availability has recovered, and engineers are investigating the root cause and identifying sites.google.com problematic servers. The team is sweeping all remaining capacity to identify and address residual issues. Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. These often help resolve issues without the need to contact support.

Outlook.com (the web version of Outlook) and Outlook apps require a 1st party alias (Outlook/Hotmail/Live/MSN) to send and receive email, use calendar, etc. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools sites.google.com can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again.

Fortunately, with the right Outlook troubleshooting strategies, many of the most common Outlook problems are quite straightforward to troubleshoot. Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is. 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 person. The maximum number of recipients for an individual email through USNH IT mail servers is 300. If setup failed, choose Change Account Settings.

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. Select More to see additional actions—for example, an option to print a message.

If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. Try these troubleshooting steps in the order presented here, from simple to more complicated.

The freezing never seemed to occur when I had Outlook open but was not using it. You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding. Facing this "Outlook keeps freezing when sending email" issue is very frustrating.

I want it to open automatically whenever I open my laptop. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running.

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