Microsoft KB Archive/92817

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ACC: Initial Size of Every .MDB File Is 64K (1.x/2.0)

Article ID: 92817

Article Last Modified on 5/9/2003


  • Microsoft Access 1.0 Standard Edition
  • Microsoft Access 1.1 Standard Edition
  • Microsoft Access 2.0 Standard Edition

This article was previously published under Q92817

Novice: Requires knowledge of the user interface on single-user computers.


The initial size of every .MDB file is 64 kylobytes (K). Microsoft Access allocates additional space in 16 page blocks (2K per page x 16 = 32K).


The initial size of every .MDB file is 64K, (32 pages). If more space is needed, the additional space is allocated in 16 page blocks. The reason for using 16 page blocks, as opposed to smaller blocks of disk space, is to prevent excessive disk fragmentation.

Keywords: kbinfo kbusage KB92817