Forum Discussion
Thumbnail preview (Office Open XML files)
Hello, I noticed that since an update of Office 2016 (Office 16 and Office 365), the thumbnail preview disepear on Explorer for Word, Excel and Powpoint files (Office Open XML only : docx, xlsx e...
Office apps dont save thumbnails by default, afaik (only PowerPoint has it on I believe). You have to enable the option you mentioned above. But yes, now that you mention it, I see that no Word files are generating a thumbnail preview, even with the option on. The corresponding thumbnail.jpeg is simply not packaged in the document, while for Excel/PowerPoint everything seems to be working fine and you can find the thumbnail under docProps.
So yeah, seems to be a bug with Word.