Start Outlook in safe mode to fix “Processing” screenIn Windows 10, choose Start, type Outlook.exe /safe, and press Enter.In Windows 7, choose Start, and in the Search programs and files box, type Outlook /safe, and then press Enter.In Windows 8, on the Apps menu, choose Run, type Outlook /safe, and then choose OK.
The 5-Step Checklist for Diagnosing Email Receiving IssuesStep 1: Check your spam folder. …Step 2: Check your other tabs. …Step 3: Check your storage space. …Step 4: Check your filters and blocked sender lists. …Step 5: Diagnose a more complex problem.Mar 18, 2025
Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users. On June 25th, 2019, the Outlook Team made a change to the service to fix this issue. If you are still seeing this issue, restart Outlook a couple of times so it can pick up the service change. A vast community of Microsoft Office365 users that are working together to support the product and others.
Run Test E-mail AutoConfiguration to confirm Autodiscover is resolving to Intermedia servers which helps Outlook to connect properly. Not something you want to take on lightly, but sometimes you have to. Be aware that you may need your product key if you received one. Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. After you’ve selected a task, you can use the details pane to do things like add more information, add steps, or mark as important.
There are also notes about legacy per-user auth being an issue, however we had two accounts left in per-user auth but none with the issue. If you think that it is patch related, roll back the patch and see if that fixes it for the end users. If it’s an RDS server and the cache is also on the server, if the server crashes, reboots abruptly, is full, there are many reasons. Instead of removing the profile, remove the OST file and let it recreate. Find solutions to common problems or get help from a support agent.
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. 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 accessing Outlook.com. If you stop Gmail from blocking certain apps and accounts, your import might start working. In the account you’re importing from, try allowing access to your account.
No matter how many Outlook coding guides you read, there’s always something to throw a wrench in the gears. To start, create a new Personal Folders (.pst) file entry in your profile. Then, you can move the recovered items to your new Personal Folders (.pst) file.
Hello all,Same problem here since Outlook 2016 update on January on RDS 2022, all users are not concerned, but we have more and more users impacted. The cache file is likely corrupt or where it is stored is full. Try these troubleshooting steps in the order presented here, from simple to more complicated.
To find the item with the attachment, scan the list of items in the thread. You can give feedback by selecting Help from the top menu, then Feedback. Post questions, follow discussions and share your knowledge in the Outlook.com Community. If your mailbox is full, we won’t be able to reply to your request.
Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. No matter how well written add-ins are (and even Outlook itself), there will always be the occasional Outlook problem that doesn’t seem to go away or may not be related to add-ins at all. You can read how to fix your Outlook problem on the internet, but sometimes the suggestions don’t work for your specific case.
If this fix didn’t work for you or if you’d like to take a more thorough look at font stacks in Outlook we wrote a comprehensive guide to font stacks and Outlook. If none of the above helped fix your white lines or if you’re interested to read more about how and why these lines occur we wrote an in-depth article taking a deeper dive into it. We also recommend checking out this brilliant article from our friends over at ActionRocket. If you’ve exhausted your other options you can try this code snippet directly in your code’s head section. If you’ve spent any time in the email world you’re probably aware of Outlook’s reputation. At a higher level, the more visible changes that you see involve folders and messages.
Set up proper exception rules to allow your email client to communicate with the SMTP server. The default SMTP port (25) may be blocked by some Internet Service Providers (ISPs) due to spam concerns. Mistyped usernames or passwords can prevent successful authentication with your SMTP server, leading to failed email sends. Visit Firefox support to learn https://office365emailfix.blogspot.com/2025/10/fix-outlook-not-sending-or-receiving.html how to Disable or remove Add-ons.