All file extensions
.MD File
What is it?
Markdown (.md) is a lightweight plain-text format for writing formatted documents — headings, bold, links, lists — using simple symbols, popular for documentation and README files.
How do I open it?
Opens as plain text in any text editor; renders as formatted text in GitHub, code editors like VS Code, or dedicated Markdown viewers.
Is it safe?
Yes, it's plain text and can't run code.
Can I delete it?
Safe to delete once no longer needed.