Lightroom is a popular photo editing software that can be used to create digital photos and videos. It can be used to store photos, videos, and other files on your computer. You can also use it to share your photos and videos with others. There are a few things you need to know about deleting old lightroom catalogs safely. First, make sure you have the correct permissions for deleting old catalogs. Second, be sure you backup your catalogs before deleting them. Third, make sure you understand the risks involved in deleting old catalogs. Fourth, be sure to follow the instructions provided by lightroom for deleting old catalogs. Fifth, be careful when deletion is attempted. Sixth, always check back with lightroom after deletion to ensure that everything has been properly processed.