email attachments cannot be opened?

[cembrowicz]

I send email attachments and some people (on PCs) cannot open them - they unzip them ok but they seem to be encrypted??what can I do to sort this ??thanks for any advice

Stefan

 

[jcromartie]

You're sending zip files? If that's the case, try transferring them via something other than email, and seeing if they unzip. If they're not zip files, then try sending a variety of files to see if it's a file format problem between your system and theirs.