Before you can Develop photos with a white border in Lightroom Classic, you need to create the white border first. Follow the steps below to do this.

  1. In Lightroom Classic, choose a photo.
  2. Crop the photo based on your desired Instagram aspect ratio (4 x 5, 1.91 x 1, or 1 x 1).
  3. Go to Print.
  4. Go to Page Setup > Paper Size > Manage Custom Sizes.
  5. Add your own custom page setup.
  6. Replace the width and height with the aspect ratio (4 x 5, 1.91 x 1, 1 x 1).
  7. Name the custom page setup with the aspect ratio.
  8. Do the same with other aspect ratios.


Phil Ebiner. (2017, August 19). How to Easily Add a Border in Lightroom.