Actually that's a good point. I'm using SAS 9.4 on a 64-bit windows 10 computer. I don't know which version of SAS the file was created in but that may well be problem. I'll try to find out. I don't think permissions are an issue on my computer. I'll try to open the file on my old computer which I think still has SAS 9.2 in case that works... Thanks for the reply. Much appreciated.
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