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PNG files cannot be uploaded (file extension in upper case) [closed]
closed as duplicate by Lundin on Sep 27, 2020 at 17:42
This question has been answered before. See: File extension bug when uploading pics
This question was closed; new answers can no longer be added. Users with the reopen privilege may vote to reopen this question if it has been improved or closed incorrectly.
When I try to upload a file with a PNG extension, I get:
If I relabel it as png (lower case) then I can upload it.
So it appears to be a problem uploading images with an upper case file extension.
I haven't tested the other file types listed in the image.
Note: PNG is the default extension in the Windows Snipping Tool on my computer.