Some ABS data is compressed to reduce the file size and to lessen the time that it takes to download over the Internet. The compressed (zipped) files are mostly in Excel XLS format, but they may also contain SuperTABLE (SRD) files or Publication (PDF) files.
To decompress or unzip the files, after you download them to your computer, you will need to use decompression software such as WinZip.
Figure 1: This publication is available as a compressed (zipped) file.
Figure 2: This menu will appear when you right click on the zipped file icon.
Click the Extract button (or select Actions > Extract) to open the file with WinZip, or save it or your computer.
There are many decompression software programs that can be downloaded from the Internet. You can download the evaluation version of WinZip from http://www.winzip.com.