7-Zip is a popular compression utility which copies files into zipped archives with a .zip extension. Each file can be compressed separately, or a group of files can be compressed together into one zipped file. This is the best method for file transfers.
Tutorial for 7-zip
To learn how to 7-Zip from a research server go to Start Menu→All Programs→7-Zip, click on 7-Zip Help. Data must be unzipped before it can be used by software packages on the servers.
Compressing SAS Datasets
The recommended way to compress SAS datasets is to use SAS to create compressed observations.