An rpl file extension is related to the Systems Management Server (SMS) and used for its .rpl replication files.
.RPL file extension - Systems Management Server (SMS) replication data
What is rpl file? How to open rpl files?
File type specification:
The rpl file extension is associated with the Systems Management Server (SMS), a management software for administrators that allows users to manage large groups of Windows computers.
The rpl file contains replication data.
The default software associated to open rpl file:
Microsoft Systems Management Server (SMS) 
Company or developer:
Microsoft Corporation
Systems Management Server is application used to manage large groups of Windows-based computer system. System Management Server was replaced by the System Center Configuration Manager.
List of recommended software applications associated to the .rpl file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open rpl file, edit rpl file, convert rpl file, view rpl file, play rpl file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with rpl file - Systems Management Server (SMS) replication data
Click on the software link for more information about Microsoft Systems Management Server (SMS). Microsoft Systems Management Server (SMS) uses rpl file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
