I'm trying to open customer logo file and I’m getting an "unknown file format and cannot be opened" error message. They have sent it to me twice and I’m wondering if it's a problem on my end. I am using CS4 and the file has an .ai extension. Can CS4 open an .ai file generated in CS5?
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Adobe Illustrator Unknown File Format
- Thread starter SignAnnex
- Start date
The Vector Doctor
Chief Bezier Manipulator
Have them zip the file before emailing. It could be corrupt. Also I have seen where some customers have simply renamed a file to .ai or .eps thinking that would work
If it was a newer file it will tell you so. The error is likely from the above
If it was a newer file it will tell you so. The error is likely from the above
Tim Kingston
New Member
I have had this happen a couple of times too. I imported the file into Flexi
( which accepted it ) and then selected the Artwork and exported it back out again as an .eps, worked fine.
( which accepted it ) and then selected the Artwork and exported it back out again as an .eps, worked fine.
Fred Weiss
Merchant Member
Try opening the file in a text editor like WordPad. If it is an AI file, it will have a header in plain English giving information about it.