You are sitting in your office or workplace and you receive an important work mail.

You must be wondering:

Why attachment is malfunctioning in Outlook?

The attachment is down in Outlook because there is a problem with either the Outlook tweaks or Antivirus tweaks.

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Your weak Internet connection also has the potential to prevent attachments from loading properly.

So, what are you waiting for?

How To Fix Outlook This File Cannot Be Previewed?

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It is quite simple to test whether thats the case.

Heres a complete guide on how toadd email signature in Outlook.

Check out our separate post on how toview message headers in Outlook.

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Outlook might be unable to preview the files because the Registry tweaks havent been configured properly.

This may seem a little complicated for you but Ill explain it in a very simple way.

You have to enable compatibility mode under user-interface configs.

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FAQ

Question:How do I show the preview pane in Outlook?

You have the choice to select whether you want the preview pane at the right or bottom.

Question:How do I enable MailTips in Outlook?

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Answer:you might enable MailTips in Outlook by clicking on File and then Options.

In the next window, locate Mail and tap on it and then scroll to the MailTips section.

Here, you gotta punch the MailTips options to enable MailTips depending on the conditions.

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Question:Why did my Outlook format change?

Answer:Your Outlook format can change if some tweaks were changed in Outlook views.

Here you’re gonna wanna tap on reset current view.

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However, one of these fixes should have worked for you.

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