From Access'97 on-line help:
Database specifications
Attribute Maximum

Database (.mdb) file size 1 gigabyte. However, because your database can
include linked tables in other files, its total size is limited only by
available storage capacity.

Number of objects in a database 32,768
Modules (including forms and reports with the HasModule property set to
True) 1024
Number of characters in an object name 64
Number of characters in a password 14
Number of characters in a user name or group name 20
Number of concurrent users 255


Za Access 2000, ogranicenje je 2GB.