Text file storing keywords and domain and search engine settings; allows for quickly setting up a search engine optimization check using TopicCrunch; referenced by TopicCrunch, but can be viewed and edited in a text editor.
Program(s) that open topc files
Windows: TopicCrunch; Edit with a text editor.
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/topc
