Repairing your Office programs can resolve issues with Outlook not responding or freezing. Errors in Microsoft 365 https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html files are repaired automatically. If installing the latest updates didn’t resolve your issue, move on to the next step.
There could be many reasons for this issue, including corrupted Outlook data files, conflicts between add-ins, or outdated software. Let’s explore the most common reasons why Outlook isn’t opening and how to resolve this frustrating situation. 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.
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. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. 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. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers.
Step 1 – For both Windows and MacOS users, Microsoft Outlook has the https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html ability to recover deleted items Outlook Desktop App. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. Note that the above link is for desktop Outlook for Windows. A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here.
If you can’t receive new email messages, there are several troubleshooting steps you can take. If you’re trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook. https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html 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.
Outdated software often causes Outlook problems. Microsoft regularly releases fixes for known issues. Power for providing “An Outstanding Customer Service Experience” for its Assisted Technical Support.
Add-ins are extensions that you can install to enhance Outlook’s functionality and unlock additional features, like CRM integration. But these add-ins can sometimes result in compatibility issues, especially if they’re not up-to-date or poorly coded. A conflicting add-in might cause Outlook to freeze, crash, or not open at all.
When Microsoft Outlook is installed on your computer, numerous files, registry entries and configurations are set up to make sure the program runs smoothly. If any of these components are missing or corrupted during installation, Outlook may fail to open or could crash unexpectedly. You can determine if it’s corrupted by creating a https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html new profile and changing which profile is used when Outlook starts.
A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. If anyone finds a more permanent solution, I would appreciate it. It seems like something went wrong on Microsoft update and they might recall it or fix it, so we might need to wait untill that. If you have Outlook in your startup folder, remove the shortcut from the startup folder. To learn more about how to share your feedback, see How do I give feedback on Microsoft Office.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If these methods dose not work, you can also try a third party tool, Kernel for Outlook PST Repair tool. The navigation pane is the leftmost pane in Outlook where you’ll find your folder list and the icons to move between Mail, Calendar, People, and Tasks.
Customers with only a 3rd party email address set up as the username of their Microsoft Account will be asked to add a 1st party Microsoft alias to their account before https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html accessing Outlook.com. If classic Outlook still can’t find settings for your email account, or you receive an error during setup, in many cases, you can set up your account manually. If you’re trying to set up an iCloud account, follow the steps in Add or manage an iCloud email account in Outlook.
If you are still seeing this issue, restart Outlook a couple of times so it can pick up the service change. All colleagues have a on-prem mailbox, just like myself. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We recommend setting Windows Update to automatically download and install recommended updates.
