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. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. 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 you have Outlook in your startup folder, remove the shortcut from the startup folder.
2 - After clicking OK nothing happens, calendar doesn’t show up neither on the main screen nor under shared calendars. The only way to force the resource calendar to appear is to delegate full access which we don’t want to do. We do have hybrid environment however however resources are created in the cloud (office.com Admin Center exchange) https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html and these accounts were working fine for the past couple of years. No changes were done that could affect the behavior of resource accounts just typical MS updates to their products.
To access the calendar shared with your Microsoft 365 for business account, you'll need to accept https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html 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.
Simply https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html that Outlook will be loaded without your add-ins and customization files. Exit Outlook, go to AppData, and manually delete cache folders. If your Outlook keeps freezing, despite all your effort, it’s time to bring in the professionals.
Repairing is a simple process but may take as long as half an hour to complete. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Set up your account manually as an IMAP or POP account in Outlook. Visit Firefox support to learn how to Disable or remove Add-ons.
The maximum number of distribution group members is 100,000 members, and the recipient rate limit is 10,000 recipients per day. If you need to increase the number of this limit try the next resolution. 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. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
So, make sure you turn off the hardware acceleration option in Outlook. Follow the steps below to reset the navigation panel and fix the loading profile issue. I'm having an issue with one Outlook 365, the program open and get stuck at loading the user profile, any profiles. Outlook won’t work correctly and will not be able to load the profile screen if its files are corrupted. These files can be repaired through an inbuilt program in the Outlook installation directory.
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. Running the /resetnavpane command removes all customizations to the navigation pane. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. 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.
If you can't choose any of the menu options, type inside an email message, calendar event, or https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. 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.
The browser version isn’t impacted by local Outlook files or add-ins. 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.
You may see one of the following errors in a pop-up message on your screen. If you need to increase the number of this limit try the next resolution. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. Before starting, decide which Outlook version you’re using. Microsoft offers twoversions with different troubleshooting approaches.
2 - After clicking OK nothing happens, calendar doesn’t show up neither on the main screen nor under shared calendars. The only way to force the resource calendar to appear is to delegate full access which we don’t want to do. We do have hybrid environment however however resources are created in the cloud (office.com Admin Center exchange) https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html and these accounts were working fine for the past couple of years. No changes were done that could affect the behavior of resource accounts just typical MS updates to their products.
To access the calendar shared with your Microsoft 365 for business account, you'll need to accept https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html 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.
Simply https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html that Outlook will be loaded without your add-ins and customization files. Exit Outlook, go to AppData, and manually delete cache folders. If your Outlook keeps freezing, despite all your effort, it’s time to bring in the professionals.
Repairing is a simple process but may take as long as half an hour to complete. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. We love reading your suggestions on new features and feedback about how you use our products! To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Set up your account manually as an IMAP or POP account in Outlook. Visit Firefox support to learn how to Disable or remove Add-ons.
The maximum number of distribution group members is 100,000 members, and the recipient rate limit is 10,000 recipients per day. If you need to increase the number of this limit try the next resolution. 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. TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth.
So, make sure you turn off the hardware acceleration option in Outlook. Follow the steps below to reset the navigation panel and fix the loading profile issue. I'm having an issue with one Outlook 365, the program open and get stuck at loading the user profile, any profiles. Outlook won’t work correctly and will not be able to load the profile screen if its files are corrupted. These files can be repaired through an inbuilt program in the Outlook installation directory.
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. Running the /resetnavpane command removes all customizations to the navigation pane. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. 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.
If you can't choose any of the menu options, type inside an email message, calendar event, or https://office365Emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. 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.
The browser version isn’t impacted by local Outlook files or add-ins. 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.
You may see one of the following errors in a pop-up message on your screen. If you need to increase the number of this limit try the next resolution. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart. Before starting, decide which Outlook version you’re using. Microsoft offers twoversions with different troubleshooting approaches.