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Do you get an error when you try to open an attachment?<br />
<br />
What version of Office are you running?<br />
<br />
Have you ran a repair on the Office suite?<br />
<br />
Have you installed all the Windows and Office updates?
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Do you get an error when you try to open an attachment?

What version of Office are you running?

Have you ran a repair on the Office suite?

Have you installed all the Windows and Office updates?

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Do you have UAC turned off? The default edge browser requires UAC to be active and for you not to be using the default 'administrator' account. &nbsp;You can change the default browser, windows key, default, select choose a default web browser.
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Do you have UAC turned off? The default edge browser requires UAC to be active and for you not to be using the default 'administrator' account.  You can change the default browser, windows key, default, select choose a default web browser.

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I use Firefox browser. &nbsp;Where do I find UAC?
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I use Firefox browser.  Where do I find UAC?

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Hi, I just upgraded to Windows 10 and can not open a HTML attachment on my Microsoft Outlook email. &nbsp;What do I need to do?<br />
Thanks
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Hi, I just upgraded to Windows 10 and can not open a HTML attachment on my Microsoft Outlook email.  What do I need to do?
Thanks

How to open HTML attachment

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

HTML (HyperText Markup Language) is the main markup language for creating web pages and other information to be displayed in a web browser, providing both the structure and content for what is sent from a web server through the use of tags. The current implementation of the HTML specification is HTML5.

HTML

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.