Norton Change Directory Persistent Cache File

Unknown

dataset

NCD is a persistent cache file associated with NCD (Norton Change Directory), a component of the Norton Commander software (mainly for MS-DOS). TREEINFO.NCD is written to the root directory of a drive, and stores the subdirectory layout of that drive.

Identify it

Extensions	`.ncd`
Signatures	`504e4349` at byte 0 (Norton Change Directory Persistent Cache File)
PRONOM	`fmt/1902`
Wikidata	`Q123594002`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

Norton Commanderwrites · end-user license agreement

Convert it

No conversion recorded. One of the tools above may export it; search for a chain.

Sources

PRONOM fmt/1902
Wikidata Q123594002
File Formats Wiki

From PRONOM, Wikidata. Updated 2026-10-20.

Improve this record JSON