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The maximum number of recipients for an individual email through USNH IT mail servers is 300. If setup failed, choose Change Account Settings. Update the account information with the one you received from your email provider or from the POP and IMAP server name reference topic. If you can't choose any of the Outlook Fix Blog 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. Outlook will configure most settings automatically.  
  
This guide explores why Outlook is so slow to respond across platforms and how Clean Email can help improve inbox management and speed up Outlook. Delaying non-essential updates, in some cases, allows Microsoft to refine them further before they are installed. We recommend that you don’t have monthly updates enabled for Office 365 ProPlus, as these have been known to cause intermittent issues. It is very tempting to increase your file list count from 50 upwards, as ‘scrolling’ is generally preferable to ‘paging’. We have seen cases where people have raised Outlook Fix Blog the setting well beyond 500 and then complained of slowness.  
  
This software is integrated with powerful scanning and repair algorithms that can easily resolve all Outlook email errors and repair personal folder file non-invasively and efficiently. Moreover, the utility supports the all latest Outlook versions such as 2021, 2019, 2016, 2013, 2010, 2007, and all lower versions in Windows OS. In case, these above-discussed techniques do not work, you still face Microsoft Outlook issues.  
  
When you Outlook Fix Blog have a weak or unstable internet connection, it can cause the app to load slowly, especially on mobile devices. After you remove messages or attachments from your mailbox, the PST file size will not necessarily reduce by itself. In order to shrink the size of the PST file, you need to compact it. Disabling unnecessary plugins is a great way to make your Outlook start faster, run more reliably, take less memory.  
  
Should you decide Outlook Fix Blog to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). Open your Outlook (2019, 2016, 2013, 2010) account in safe mode. If it works fine, then Outlook PST error can be fixed easily. Or else you need a perfect solution to resolve Microsoft Outlook error message without data loss.  
  
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 Outlook Fix Blog 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.  
  
Also, ensure that a reliable and trusted vendor provides the Antivirus program you are using. A good Antivirus program has no compatibility issues with Microsoft Office applications. While these Microsoft accounts work in other Microsoft products (e.g. OneDrive, Windows, Xbox), they are non-functional when visiting Outlook.com. 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. This kind of error usually indicates some issues on the disk where your Outlook PST file is located.  
  
If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. For that, choose Start, type Outlook.exe /safe, and press Enter. This will helps you to reach a solution for Outlook not responding, stuck at Processing, stopped working, freezes or hangs issues. 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 Outlook Fix Blog for Windows.  
  
If you're entering a password you know is correct and getting a message that says "incorrect password," then you'll want to read this page. If you are using Gmail or Google Workspace as well as the Outlook calendar, it would be nice to have them populated with the same information. Here is how to make sure your Outlook is showing the same information as Outlook Fix Blog your Google Calendar. If nothing else fixes your Outlook search problem, then your Spotlight index may be corrupt. Let's cover how to troubleshoot the Outlook indexing first. For all of the Mac users struggling with Outlook not responding, we have a few pointers for you as well.  
  
Rohan Wiese is a Technical Content Writer at Aryson Technologies, specializing in databases, e-mail recovery, and e-mail migration solutions. 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. Sometimes, antivirus real-time scanning can slow Outlook down. Configure your antivirus software to exclude Outlook files or processes from real-time scans to avoid interference. The good news is that Outlook has a built-in tool to scan for corrupted files.