On 28 Oct 2011, at 15:30, Robert B. Waltz wrote:
[...]
> I would imagine the .zrtf format (which might well be rtf with zip elements incorporated) will take significantly longer.
[...]
If you change the .zrtf file extension to .zip in the finder, you can decompress it like any .zip file, but the decompressed rtf file, with or without the file extension, can only be read by Nisus.
Hamid