FM Pro 16 is definitely bit, I think FileMaker Pro 14 was the first Mac version to be bit and that’s when bit support was. and I have FileMaker Pro 14 I read in internet that Mojave will not open filemaker documents this is very sad and frustrating. I have Filemaker Pro 14, but my laptop was upgraded to Mojave, so FM 14 As a quick fix, you could get the free trial of FileMaker Pro
 
 

iMac – Wikipedia.Claris FileMaker Pro

 
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