.drl Excellon drill file
Text & source code
| MIME type | application/x-excellon |
|---|---|
| Description | Excellon drill file |
| Category | Text & source code |
| Signature (magic bytes) | 4D 34 38 0A (M48.) |
| Based on | text/plain |
Frequently asked questions
What is a .drl file?
A .drl file is a “Excellon drill file” (MIME type application/x-excellon).
How do I open a .drl file?
With any text editor – Notepad++, Visual Studio Code, or gedit and vim on Linux. The file contains readable text, possibly source code or configuration.
How can you tell a genuine .drl file?
By the bytes at the start of the file, the signature (magic bytes): 4D 34 38 0A (M48.). On Linux and macOS, file --mime-type example.drl checks the real type regardless of the extension.
Which format is .drl based on?
Technically a .drl file is a subtype of “Plain text document” (text/plain), so programs for that base format can often read it too.
Which MIME type belongs to .drl?
The MIME type is application/x-excellon. In the Apache web server: AddType application/x-excellon .drl; in nginx: types { application/x-excellon drl; }.