Go to HELP and type "SPECIFICATIONS" or search previous posts. This is
asked and answered all the time and is available to you in the built-in help
fiels.
More recent versions of Access have a 2 Gbyte limit per .mdb file. If I
recall correctly, there's a 2000 byte limit per record. There are no limits
to the number of records, as far as I know.
Is this a 'prurient interest' question, or are you evaluating
feature-sets/capabilities?