Files with the SYM extension identify a precompiled header file. SYM files are utilized with source code data that has been generated using the Borland programming language. SYM files store the program symbol table data that is contained in a header file. SYM files can be opened and edited with compatible compiler utilities.
File used by TatukGIS mapping software; saves a symbol, which is a shape or object that can be placed on the map and scaled according to the map system coordinates; used for marking boundaries and points of interest.