Every 5 minutes? Whew.
Alternatives:
a) If this is so the 2nd computer can have live data, you could just split
the database and share the back end.
b) If this is to create a secure copy, you could use the Timer event of a
(hidden) form to execute a query that either appends the new records or
re-creates the table. If you create a new query, and choose Make Table
(Query menu), you can specify the database name where you want to create
this.
c) Another alternative would be to use replication.
d) If you have multiple related tables that you need to update, take a look
at the code in this link:
http://allenbrowne.com/unlinked/Backup.txt
However, you do it, you are likely to strike concurrency issues trying to
copy out the data that is currently being manipulated.