Convert mgr to psd Online: mgr2psd

You can use Tom's Editor to easily convert images from
MGR Window Manager bitmap .MGR to Adobe Photoshop .PSD.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

MGR

MGR Window Manager bitmap is an image format with extension MGR.

PSD

PSD is in internal image format of Adobe Photoshop. It can store all the features offered by Photoshop, like layers and paths. Images can be compressed or not.