# Microsoft Developer Studio project file — file signature 23 20 4D 69 63 72 6F 73 6F 66 74 20 44 65 76 65 6C 6F 70 65 72 20 53 74 75 64 69 6F at offset 0

For Microsoft Developer Studio project file, hex signature is 23 20 4D 69 63 72 6F 73 6F 66 74 20 44 65 76 65 6C 6F 70 65 72 20 53 74 75 64 69 6F; offset is 0; extension is dsp, verified against its source on 2026-09-22.

- **Hex signature:** 23 20 4D 69 63 72 6F 73 6F 66 74 20 44 65 76 65 6C 6F 70 65 72 20 53 74 75 64 69 6F _(verified: appears in the quote below)_
- **Offset:** 0 _(verified: appears in the quote below)_
- **Extension:** dsp _(verified: appears in the quote below)_
- **Format:** Microsoft Developer Studio project file _(verified: appears in the quote below)_

## What the source says

> 23 20 4D 69 63 72 6F 73 6F 66 74 20 44 65 76 65 6C 6F 70 65 72 20 53 74 75 64 69 6F | # Microsoft Developer Studio | 0 | dsp | Microsoft Developer Studio project file |

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).