Methods and devices selecting a sandbox for initiating an application are described. In one aspect a method includes: providing within a hybrid record access application, a selectable option to access an attachment associated with a record, the record being associated with one of a plurality of sandboxes, the hybrid record access application configured to access records associated with the plurality of sandboxes, the plurality of sandboxes configured to prevent data from moving between different sandboxes; and initiating within the sandbox associated with the record, an application to access the attachment when selection of the selectable option is received.