Quote Originally Posted by Shiftyshell View Post
Switching to 64-bit Excel can definitely cause some headaches with older VBA code, especially when dealing with external libraries like Karl E. Peterson's CStreams. If you're open to alternatives, have you looked into using native VBA file handling methods for reading and manipulating ADS?
Thanks, as indicated above, I did receive working 64-bit VBA code (adapted from Karl E. Peterson's CStreams code, which solved my problem).

FWIW, I'd be interested to hear how native VBA file handling code that manipulate ADS streams, so if you'd have more info that would be nice.