What is .DS_STORE file extension?
Stores viewing preferences for a folder in Mac OS X; includes information about the folder's window location, window size, what view option has been selected (icon, list, or column), and the layout of icons in the window.
DS_STORE files are usually invisible, but may become visible when copied over a network, copied to a Windows computer, or restored from a backup. The DS_STORE file can be deleted from within a folder without affecting any of the data inside the folder. If the DS_STORE file is removed, the folder will open using the Finder's default view settings.
DS stands for "Desktop Services."
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.