If you're using Access 2000 or newer, the maximum size for an MDB file is 2
GB (it's 1 GB for previous versions).
It's possible to link from one MDB to another, though (through File | Get
External Data), so in theory you could store to whatever the capacity of
your hard drive is (I've heard one story of an installation that linked
together a total of 23 GB). Having said that, though, in general practice if
you're approaching the 2 GB limit, you might want to start looking at a
heavier duty DBMS such as SQL Server or Oracle.