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If Outlook is performing some operation on hundreds or thousands of messages at once, it might appear to be stuck. Give Outlook a few minutes to finish the process and it should start to work again. To work around the issue, you will need to end all Office processes that are running and disable the presence features. On June 25th, https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ 2019, the Outlook Team made a change to the service to fix this issue.  
  
The maximum number of recipients for an individual email through USNH IT mail servers is 300. This library of articles provides guidance to troubleshoot and fix errors that you may experience when using Classic Outlook for Windows. For a complete list of articles, browse the navigation pane on the left, or use the search box above the pane to filter by keywords and find help with a specific issue. If classic Outlook repeatedly prompts you for a password during setup, make sure that your caps lock isn't turned on. This can also happen if you've entered your username incorrectly.  
  
Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.  
  
If repairing your Microsoft 365 programs didn't resolve your issue, move on to the next step. I can't open the Microsoft Outlook, when I try to open the application is staying in loading screen and nothing happens. After some minutes I need to put again the password for my acount and again nothing happens. If I get in the mail he says "Trying to connect to your server". If creating a new profile solves your issue, you can return to the Show Profiles dialog and delete your old profile.  
  
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. Conflicting rules can prevent certain rules from working as intended. Review your rules to identify any conflicts and resolve them by disabling or adjusting overlapping rules.  
  
For newer versions (2010 and later), check the Send/Receive Groups and disable scheduled sending/receiving. If you don’t want to go with the manual methods to fix these errors, you can directly go with the Outlook PST Recovery Tool. It is highly recommendable or suggestive by IT Professionals and experts. Users can effortlessly use this software to recover their damaged or orphaned PST files in Outlook and resolve related errors. The topmost part of this wizard is that you can easily recover PST Files up to 80GB, or in simple terms, there is no limitation for file size. In case your https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ Outlook PST is corrupt or damaged, you can always look for third-party Outlook PST Repair Tool to fix the issue.  
  
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don't match what you see on your screen, you might be using a different version of Outlook.  
  
If you are having trouble locating scanpst.exe you can also use OutlookTools (free!). For a step-by-step guide on how to https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ work with scanpst.exe see Using the Inbox Repair Tool (scanpst.exe). For more detailed instruction on how to enable or disable add-ins see this Quick Tip.If you you get an error that you cannot disable the add-in see this Quick Tip instead. If you share this computer with another user, you can ask this other user to logon and ask to verify if Outlook is still working for him or her.  
  
If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. You have seen that we have discussed the various reasons https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ why common Outlook errors happen. Furthermore, we will be going to describe to you the numerous Outlook Errors that are shown in MS Outlook and their fixes.  
  
You can effortlessly use some troubleshooting procedures to set up your local drive. You can manually increase the time span for establishing connectivity of your Outlook program to the server. Typically, a less server time-out period can throw various errors. Follow the instruction given below to change your server time-out settings. When you reinstall Outlook, you are removing the current application from your system and then installing it again. Reinstalling your Outlook client can fix installation errors and common software failures.