File with an .INK extension contains stored in a vector format based on objects data, created on an electronic board. Due to the storing format, specified objects can be scaled or rotated, colours and line width can be changed and they can be copied and passed into other programs

INK files are created in Mimo program which enables drawing on a display with a digital pen. It enables storing drawings, charts or notes created by the user in a proper mode; they are divided into pages and specific objects are present on each page.