.MDA File Extension
File TypeAccess Add-in
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an MDA file?
Add-in file used by Microsoft Access, a desktop Relational Database Management System (RDBMS) application; contains source code written in the Visual Basic for Applications (VBA) language; used for adding functionality, such as automated functions and queries, to the software.