Is it possible to install MAMP on an external drive? appsolute GmbH December 22, 2015 12:22 Updated Follow No, MAMP has to be installed on the system drive. Related articles My MySQL Server will not start? Where is more information about MAMP Cloud functions? Is MAMP compatible with Mac OS X 10.9 (Mavericks)? How do I verify xip.io is working ? What is the standard procedure for updating MAMP PRO? Comments 0 comments Article is closed for comments.