Mar , 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields. Mar 3, 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields. Mar 3, 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields.Mar 3, 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields.Mar 3, 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields.Mar 3, 2017 - .install file. In Drupal 7, .install files can define new tables, load data, and implement conversions during updates. A .install file is run the first time a module is enabled, and is used to run setup procedures as required by the module. The most common task is creating database tables and fields.