Windows 11 Explorer preview pane fails to preview some documents and not others on SMB share

%3CLINGO-SUB%20id%3D%22lingo-sub-3302037%22%20slang%3D%22en-US%22%3EWindows%2011%20Explorer%20preview%20pane%20fails%20to%20preview%20some%20documents%20and%20not%20others%20on%20SMB%20share%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-3302037%22%20slang%3D%22en-US%22%3E%3CP%3EEach%20month%20I%20run%20a%20saved%20search%20on%20an%20SMB%20share%20to%20find%20some%20XL%20documents.%20In%20the%20results%20windows%20in%20Windows%2011%20Explorer%2C%20I%20have%20always%20been%20able%20to%20select%20the%20files%20in%20the%20results%20window%20and%20preview%20the%20files%20in%20the%20preview%20pane%2C%20without%20any%20issues.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3ERecently%20though%20this%20has%20not%20been%20working.%20I%20run%20the%20same%20search%20on%20the%20same%20SMB%20location%20and%20get%20the%20expected%20list%20of%20XL%20files.%20However%2C%20if%20I%20click%20on%20the%20files%20I%20can%20see%20the%20preview%20of%20only%20some%20of%20the%20files.%20So%2C%20the%20previewer%20is%20working%20and%20the%20file%20associations%20are%20working.%20However%2C%20the%20only%20way%20I%20can%20see%20a%20preview%20of%20one%20of%20the%20XL%20files%20is%20to%20open%20it%2C%20click%20on%20the%20button%20that%20says%20%22Enable%20Editing%22%2C%20close%20the%20file%20and%20only%20then%20can%20I%20see%20the%20file%20in%20the%20preview.%20If%20I%20open%20the%20file%20and%20don't%20click%20%22Enable%20Editing%22%20I%20am%20still%20unable%20to%20preview%20the%20file.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EJust%20as%20I%20finished%20typing%20this%20article%20I%20had%20a%20brainwave%20and%20just%20checked%20the%20Office%20Trust%20Center%20settings%20and%20found%20the%20problem.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EYep.%20A%20recent%20MS%20Office%20update%20fried%20the%20setting%20I%20had%20for%20my%20SMB%20share%20to%20be%20a%20trusted%20location.%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3EThanks%20for%20another%20great%20%22security%20fix%22%20from%20Microsoft!%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-3302037%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EOffice%20365%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EOffice%20Apps%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
Contributor

Each month I run a saved search on an SMB share to find some XL documents. In the results windows in Windows 11 Explorer, I have always been able to select the files in the results window and preview the files in the preview pane, without any issues.

 

Recently though this has not been working. I run the same search on the same SMB location and get the expected list of XL files. However, if I click on the files I can see the preview of only some of the files. So, the previewer is working and the file associations are working. However, the only way I can see a preview of one of the XL files is to open it, click on the button that says "Enable Editing", close the file and only then can I see the file in the preview. If I open the file and don't click "Enable Editing" I am still unable to preview the file.

 

Just as I finished typing this article I had a brainwave and just checked the Office Trust Center settings and found the problem.

 

Yep. A recent MS Office update fried the setting I had for my SMB share to be a trusted location.

 

Thanks for another great "security fix" from Microsoft!

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