Are .mht files supported in SharePoint 2013?

For viewing the PPT files, in 2010, there files were saved as .mht files and they were uploaded to a document library and the mht file link was shown using a page viewer webpart

Is this still supported?

  • Yes, it's working in SP2013 are you facing a specific issue? or just need to confirm that Mar 27, 2017 at 8:04
  • Recently migrated a 2010 portal to 2013, the mht files are getting downloaded when I open the page Mar 27, 2017 at 8:05
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    should you try to run that PowerShell to be able to show it in browser $webapp = Get-SPWebApplication -Identity "webapplicationurl" $webapp.AllowedInlineDownloadedMimeTypes.Add("message/rfc822") $webapp.Update() Mar 27, 2017 at 8:07
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    sure will give it a try Thanks for the help, really appreciate it! Mar 27, 2017 at 8:09

1 Answer 1


Yes, it's supported in SharePoint 2013.

In a case of you are not able to show .mht file in browser.you will need to run the below PoweShell cmdlet

$webapp = Get-SPWebApplication -Identity "webapplicationurl"

For more details check PowerShell Ref

  • What mime type should I add for HTM files? (.htm) They are getting downloaded when I give the link in pageviewer webpart Mar 28, 2017 at 12:35
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    Bro, should you try this "text/html" Mar 28, 2017 at 12:48

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