How can I GZip compress a file from Excel VBA using code in an .xla file only?

Question

I need to be able to GZip compress a file in an Excel VBA function. Specifically I need to be able to use the \'deflate\' algorithm.

Is there a way to do this withou

Answer 1

It seems that you want to open a bottle of wine but you definitly refuse to use a bottle-opener. As long as there is no VBA function allowing the GZipping of a file, you will not be able to do the job without some external ressource such as a dll or exe file.