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 Where is more information about MAMP Cloud functions? Where is my MySQL database data located? Will MAMP work if the MAMP folder is not located in the Applications directory? I want to revert back to MAMP PRO 4.5. My MySQL Server will not start? Comments 0 comments Article is closed for comments.