# Palm Desktop Calendar Archive — file signature 00 01 44 54 at offset 0

For Palm Desktop Calendar Archive, hex signature is 00 01 44 54; offset is 0; extension is TDA, verified against its source on 2026-09-22.

- **Hex signature:** 00 01 44 54 _(verified: appears in the quote below)_
- **Offset:** 0 _(verified: appears in the quote below)_
- **Extension:** TDA _(verified: appears in the quote below)_
- **Format:** Palm Desktop Calendar Archive _(verified: appears in the quote below)_

## What the source says

> 00 01 44 54 | ␀␁DT | 0 | TDA | Palm Desktop Calendar Archive |

## 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/).