How to open .RELS file extension?

If you cannot open a new file that has been saved in the .RELS format you need to download the appropriate software. The manufacturer of .RELS files is Microsoft; .RELS files belong to the Layout Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .RELS files. Activities performed in the order described should solve the problems with all the files in the .RELS format.