Outlook will not start

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Yesterday, after no changes I know about (or updates I didn’t pay attention to), launching Outlook causes the cursor to do a circle thing for five seconds and nothing else happens in the UI. It shows up on the Task Bar as not running (no underline).

Outlook appears in the Task Manager process list showing 0% CPU, occasional .1% Disk and Network activity along with 1.3GB Memory.

I’m running the version of Outlook that comes with the home edition of Office and allow automatic updates.  Other Office apps seem to be working ok.

I think there might be a hint here that I should archive some accounts, but if that’s an issue, I need a way to do it.

How do I troubleshoot this?

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lmacri

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Have you restarted the computer (not shutdown)?

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If you are still having problems after a restart, open the Taskbar > Processes and make sure that the Outlook process is’t running.
Now press the Ctrl key and the Outlook icon to start Outlook.
In the opening dialog box, click yes to Start in Safe mode.
Follow the prompts.
If Outlook opens, this may suggest an Add-in is causing problems and it may need to be disabled.

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Hi tangoj:

Just an FYI that several users are reporting problems with MS Outlook today. I launched MS Outlook 2019 about an hour ago and if I try to preview or read any email all the text is missing in the body of the message. A system restart didn’t help. Luckily everything looks fine if I log into the webmail applications of my ISP or at Outlook.com from my browser.

There have been a flood of posts about this in the MS Answers forum in the past few hours – see today’s As of a short while ago (10:00AM 2021-05-11), my Office 365 Outlook has stopped correctly rendering HTML email for one example. I’m going to monitor that thread, but I think we’ll just have to be patient and see if the problem resolves itself.
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Dell Inspiron 5584 * 64-bit Win 10 Pro v20H2 build 19042.928 * Firefox 88.0.1 * MS Office Home and Business 2019 C2R v2104 Build 13929.20296

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Microfix

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I’m experiencing the same problems on two computers, both Win10 whiteboxes. No updates in weeks to anything.  One using Outlook 2016 and one using Outlook 2019.  I’ve noticed that the HTML portions of my e-mails won’t display, even for old messages.   I can also log in directly over Chrome and view them in the Spectrum’s system and also read them fine on my Android phones.  I don’t know the inner workings of Outlook, so I can’t guess what would cause this (other than an obvious screwup on someone’s part beyond my control).

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Same here. Trouble in paradise. And worse, I can’t post here with Edge. Chrome is fine but Edge rejects a Captcha

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Microfix

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The problem is Microsoft’s.
There are reports all over this site and other sites too.

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yup, Susan has provided more info over here

Windows - commercial by definition and now function...

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https://www.bleepingcomputer.com/news/microsoft/microsoft-outlook-bug-prevents-viewing-or-creating-email-worldwide/

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Hi tangoj:

Microsoft identified the root cause of the issue affecting viewing email content in Outlook and released a fix last night.  If you launch and close MS Outlook a few times does it appear to be working correctly again?
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Dell Inspiron 5584 * 64-bit Win 10 Pro v20H2 build 19042.928 * Firefox 88.0.1 * MS Office Home and Business 2019 C2R v2104 Build 13929.20372

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