User Guide
Import .xmp Presets in Lightroom Desktop
- From the menu bar, choose File > Import Profiles & Presets.
- In the Import dialog that appears, browse to the required path and select profiles or presets that you want to import.
- Click Import.
More info : How to install Presets and Profiles in Lightroom (adobe.com)
Import .xmp Presets in Lightroom Mobile
- Open a photo in Loupe view. In the Edit screen, tap the Presets icon in the bottom panel.
- Tap the three-dots icon in the upper-right corner and select Import Presets.
- Tap the presets you want to import either from Google Drive or any folder on your mobile. You can select individual lrtemplate or xmp files. You can also select zip files that contain multiple lrtemplate and xmp files.
- The imported presets then appear in the "Presets" pop-up menu.
More info : Import presets in Lightroom for mobile (adobe.com)