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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....
#2: Post edited
PNG files cannot be uploaded (upper case extension)
- PNG files cannot be uploaded (file extension in upper case)
#1: Initial revision
PNG files cannot be uploaded (upper case extension)
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. <sub>Note: PNG is the default extension in the Windows Snipping Tool on my computer.</sub>