# Technical notes for MapInfo users
To open the 2021 DataPacks boundary files you need to use MapInfo version 7.8 or above.

To do this:
(In this example we are using MapInfo Professional 10.5 and the SA4 geography for South Australia)
1. Open MapInfo. 
2. Cancel *Quick Start*.
3. Select *File*.
4. Select *Open*.
5. When the *Open* tile appears:
    * In the field *Files of type* select *ESRI Shp*.
    * Select your Shape file.
    * Specify projection
    * Specify Read Only
    * Press the *Open* 

