|While .pdf files don't usually compress very well, you can use a utility like 7-Zip or WinZip. You need to verify that whoever you send the file to has the understanding and capability (software) to uncompress the file when they receive it. |
7-Zip's ".7z" format has a better compression ratio (i.e.-makes smaller files) than WinZip's ".zip" format, but whoever you send it to would have to have a program that could decompress it. 7-zip can also compress to the ".zip" format as well. Also, 7-Zip is free whereas WinZip isn't.
WinXP can uncompress .zip files natively, but not much else. Earlier versions of Windows have to have a compression program installed.
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