>>>>I've never run into a problem with FOPEN either
>>>>until now. I have a file called phone1.pdb on
>>>>a diskette. I used lnFile = FOPEN("A:\PHONE1.PDB",10)
>>>>and also tried lnFile = FOPEN("A:\PHONE1.PDB")
>>>>
>>>>Both gave a -1 lnFile value which is an error. That's
>>>>why I posted the message. In VFP 5.0's help under
>>>>"binary", it says that a binary file can only be read
>>>>by the application that created it.
>>>>
>>>
>>>What system or app is creating that file, "PHONE1.PDB"?
>>>
>>I don't know what app created the *.pdb file but I do know the
>>person running it is using a PC with Win95. I've never seen
>>the extension before. At first I thought it was Paradox, but I
>>guess not as VFP could have imported that directly.
>>
>I'd seen them before so I poked around in C files...
>It's a C++ file containing project debugging info in binary. I'm not sure why anyone would want to export it elsewhere...

could also be powerbuilder (of course, i haven't looked at that for 3 years, so i'm not sure...)