To access the calendar shared with your Microsoft 365 for business account, you'll need to accept https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ the invitation from Outlook on the web, iOS, or Android. If you've already clicked the Accept button in Outlook 2016, you won't be able to re-accept the invitation from another Outlook application. The person who sent you the invitation will need to remove your permissions and then send a new invitation. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile.
Regardless of the specific cause, there are several key troubleshooting fixes to try that might help. I just have the hourglass that disappears after a minute. After multiple restarts the program will open one time, then reverts. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile. A well-running Outlook will ensure that you enjoy the full benefits of this https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ popular email program. If you follow the above solutions, your Outlook will perform according to your expectations.
As Microsoft owns and maintains both Edge and Outlook, you shouldn’t run into any compatibility issues. You can also try using the official Outlook app for Windows, Mac, or mobile for a better experience. This is a simple, quick, https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ but temporary fix to the Outlook loading problem; without resolving the underlying cause, you'll have to repeat these steps every time you visit Outlook’s website.
You can choose to repair the program both online and offline, whichever solutions suit you best. By installing add-ins in Microsoft Outlook, you can combine the https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ application with extra features or functionalities that were not available by default. There’s nothing more frustrating than when your computer isn’t working the way it’s supposed to. And when you’re dealing with a problem as common as Outlook not opening in Windows 10, it can be downright maddening. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
You may have installed an add-in that’s causing problems with the app. Or, your PC may have a virus or malware infection, preventing your app from https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ launching. For Outlook not opening problems, you can use Kernel Outlook PST Repair to fix the corrupt PST file and import it to restore mailbox items. This innovative Outlook PST recovery software repairs large PST files without compromising their integrity. The tool simplifies all your tasks related to Microsoft Outlook 2016.
If none of that worked, I’d restore the server from backup when it was working and see what happens moving forward. If both of those don’t fix it, I’d run a full maintence cycle on the server. I couldn’t find anything in the Event Viewer that points to the root cause, nor could I find any similar issues online. These troubleshooting techniques apply to Outlook 2016 and 2011 for Mac.
We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. Luckily, all of these Outlook loading issues have easy solutions.
To check if you have received the fix, review your contact list to confirm duplicates have been removed. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023. Rollout of the fix to all users will take few weeks, so, some users may see the fix applied by the end of September. https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ Add an Outlook.com alias to your account and send email to Gmail users using that alias. For more information, go to Add or remove an email alias in Outlook.com.
If the icon is colored green, an update was released within the past two days. If orange, an update was released four days ago, and red indicates an update that's over a week old. See work, group, and personal calendars with ease, wherever you want to be. For additional support, see How to get support for Outlook.com. Start typing in the search box to find a contact or contact list. Right-click an existing folder and select Create new subfolder.
If you access your Outlook.com account through the iOS Mail app, you may be repeatedly asked to enter your username and password. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. Close and reopen Chrome and launch Outlook's website to see if the loading issue has been resolved. To see if you have a pending update, open Chrome and look at the three vertical dots icon in the top-right of the browser.
When your cache files are deleted, launch Outlook, and the app should open without problems. Then, right-click a selected file and choose "Delete" (a trash can icon). If your PC has a virus or malware infection, that may be why Outlook isn’t launching. In this case, run a full virus check on your PC to find and remove any threats. In Windows, Outlook not opening errors https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/ can disrupt email communication, which can negatively affect productivity and business operations.