- January - Linda Thompson files suit against Bob Predaina, claiming that Predaina, sysop of The Professional's Choice Bulletin Board, has made her private e-mail publically available on the BBS, violating the Electronic Communications Privacy Act of 1986. She asks for $112,000 in damages. While destined to be a landmark case, the suit is dropped in August of 1988 when Predaina declares bankruptcy.
- March 10 - IGnatius T. Foobar (Art Cancro) starts the Uncensored! BBS on an Altos 586 UNIX System, running a customized version of the Citadel BBS Software called Citadel/UX. The BBS continues operation to the present day, only shutting off dial-up access in 2001.
- April 15 - The first QWK Packet Doors are shipped from Mark "Sparky" Herring. Herring's Sparkware continues to be the primary source of .QWK Packet readers and doors for years to come.
- August 10 - The Thompson v. Predaina case is dismissed, as Predaina declares bankruptcy, voiding any possibility of the plantiff acquiring a reward.
- August 25 - Fidocon '88 (The Fifth International FidoNet Conference) is held at the Drawbridge Inn in Cincinnati, OH.
- October 14 - Chuck Forsberg releases his specification for ZMODEM, a file transfer protocol to supersede both XMODEM and his own YMODEM.
- December 7 - Erik Labs releases BIMODEM, a new file transfer protocol that allows, among other things, the ability to upload and download at the same time, and initiate chats during the file transfer. The protocol usually presents itself as an external program that is called by a BBS.
- Scott, Jason. The TEXTFILES.COM BBS Timeline.