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Not to be confused with a user's Public folder under Mac OS X and macOS.

Public Folder was an early file sharing utility for Macintosh System 6 created by Michael Peirce at Claris.[1]


Public Folder was accessed through the Chooser and brought up a simple dialog box in which the user selected what file to fetch from another Mac on an AppleTalk network that also had the Public Folder extension installed.[2] Version 1.0, dated September 20, 1989, was distributed to users for free. It was updated to version 1.01 in 1991.[3]

Compatibility and discontinuation[]

Claris issued an advisory that installing Public Folder with Vaccine 1.01 and Mirror by Central Point Software on the same Mac would cause it to crash upon startup.[4] The utility fell out of use after System 7 introduced file sharing as a standard feature in 1991.[5]


  1. DiskStatus & AppSizer by Adam Engst, TidBITS. 1992-05-25.
  2. AppleTalk by BasalGangster, The Long View. 2012-03-01.
  3. Disk #25.07 — Pi 7: The Best of the Pi, Washington Apple Pi Journal, p.88. 1991-10.
  4. Claris Technical Brief, mini'app'les newsletter, vol.14, no.6, p.22. The Minnesota Apple Computer Users' Group. 1991-06.
  5. Utilities: Public Folder by Erica Kerwien, Hints & Tips for the Macintosh, p.177. MacUser. 1992.

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