...
MS File Explorer – Expanding it’s Limited Default Capabilities
By default 10 File Explorer will only search for text inside a limited set of file extensions (a.k.a. file types).
The Indexing Options feature in Windows Control Panel can be set to add search support of additional file extensions.
The default supported file types include TXT files, DOCX files, LOG files, XLSX files.
See Windows File Explorer Search with Wildcards
DOS findstr Command
In a Windows Command prompt, the findstr command searches the current directory (in this case C:\) and all subdirectories for the pattern “COMMIT” in any file with a .cs extension and outputs only the filename.
...