.tos is a file suffix that designates The Only Sheet. The .tos format is text based, and can be opened with a text editor. It contains the complete description of a Character in a small file.
To create the .tos file for a Character, visit the Control Worksheet worksheet and use any of the Save buttons to create the .tos file of a Character, a Class or a Race.
Sample .tos file
Here is a sample of a .tos file. The file is organized in a similar fashion as a .ini file, with section headers representing worksheets, and tags which represent named cells.
SheetName=The Only Sheet+