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Avatar of Mikhail Malorodov
Mikhail MalorodovFlag for Israel

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Problem with outlook 2013 previewer


When i try to preview a Word or Excel document i get this error :

"This file cannot be previewed because there is no previewer installed for it."

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Try to repair office, remove re-install office, change preview reg settings

Thanks for the assistants
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Zacharia Kurian
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Could be that the 'Attachment Preview is been disabled? If so please refer the below link;

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No, preview is in enable mode and word and excel is on enable.

open Outlook in safe mode and check if it works, and inform us.
Check in safe mode, its still not works :(
Do this:

uncheck the Windows search from Control Panel > Programs > in Programs and Features > choose Turn Windows features on or off > uncheck the option Windows search and check.

Try now, if it doesn't work, try it by open the outlook with safe mode, waiting your reply
Could you run Office Configuration Analyzer Tool (only for outlook) and see the results?

Hello Aman,

Word & Excel are used as a previewer to render the attached documents of emails by Microsoft Outlook. Sometimes, invalid registry key automatically gets created at the location of these folders and cause such kind of errors.

Therefore, you need to delete these invalid registry. Follow the given instructions and delete it:

1.) Press “Windows+R” and enter “regedit” in the run command box.
2.) Follow the path:HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\15.0\Word\Options\Assist
3.) And delete the “Assist” folder, it it exists there.

You can also try the above given methods to sort out the bug. Feel free to ask further.

Thanks & Regards
Clark kent

i check for this key and the folder (Assist) but they do not exist.

Marwan, i check your solution i use windows 8.1 and i dont see the windows search option in "add or remove features"
Ok, go to the services.msc and disable the service windows search, and check.
I found another solution to fix this bug. However, i am only sharing the screenshot.

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Hopefully, it will resolve your issue.

Clark kent
I tried the two solutions, problem still exists :(

Does anyone have more advice about this problem ?

Thank to assistants :)
are you able to view some file type other than excel and word?
Yes, photos, pdfs files works fine

Marwan, your solution is for Acrobat and pdf files, pdf works fine for me
yes i know, but I want you to apply it for word and excel.
I tried to re-install the Office again and the problem still exist
It seems the office is not completely removed, I suggest to go to the below link and do the steps under remove office 2010 manually, then reinstall it again, if the problem persists I suggest to restore point of windows OS, or repair the windows or reinstall it (do this by order, stop on the one which solves your problem)
Please note that this Office 2013, not 2010, i will try it.
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Marwan Osman
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Close outlook → Start Regedit
Navigate to HKLM\software\microsoft\windows\current version\preview
Make sure to back up the contents of course

Delete the key for Microsoft Word previewer
Restart outlook → preview a Word doc & you should now get a message “ You should only preview files from a trustworthy source ”

Problem Solved.