Microsoft KB Archive/134294

= Microsoft Knowledge Base =

Compression and Decompression of Attached Files in a BBS
Last reviewed: July 15, 1997

Article ID: Q134294

The information in this article applies to:


 * The Microsoft Network versions 1.0, 1.05, 1.2, 1.3

SUMMARY
This article describes how The Microsoft Network compresses and decompresses files attached to bulletin board (BBS) messages.

MORE INFORMATION
When you attach a file to a message and send it, the BBS editor scans the file header to see if the file has been compressed using PKZip. If the file is not compressed with PKZip, the BBS compresses the file automatically before sending the message. A file compressed with PKZip is sent unchanged.

When you download files, The Microsoft Network automatically decompresses files that it automatically compressed. If the file was attached as a PKZip-compressed file, and the option to automatically decompress files is selected, then The Microsoft Network automatically decompresses the PKZip-compressed file. Otherwise, the file stays in a PKZip-compressed format, and you must decompress it.

To set the option to automatically decompress files, use these steps:


 * 1) In the BBS window, on the Tools menu, click File Transfer Status.
 * 2) In the File Transfer Status window, on the Tools menu, click Options.
 * 3) Click the Automatically Decompress Files check box to select it.
 * 4) Click OK.