Forum Discussion
Lowercase file extensions vs Uppercase file extensions within a SharePoint List
Currently I am running into an issue within a SharePoint Online list, in an attachments column, documents are opening in the browser if they are named with a lowercase file extension and asking the u...
hitty08 Strange! I am unable to replicate this issue on my SharePoint tenant. I just tried with .xlsx & .XLSX and .docx & .DOCX files and both are opening fine in browser.
Was this working for you before this?
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This is the first time I am hear this being an issue and to be honest I have never really payed attention to the Uppercase vs Lowercase extensions because it has never been an issue.
I do think now that I have looked deeper into this it is only with .pdf's
I do think now that I have looked deeper into this it is only with .pdf's