Adobe Content Server Message File

Unknown

markup

Adobe Content Server Message files are used to manage and download digital content, mostly ebooks, via Adobe Digital Editions. The .acsm file is essentially a 'key' to allow the download of purchased content.

Identify it

Extensions	`.acsm`
MIME types	`application/vnd.adobe.adept+xml`
Signatures	`3c66756c66696c6c6d656e74546f6b656e2066756c66696c6c6d656e7454797065` at byte 0 (Adobe Content Server Message)
PRONOM	`fmt/871`
Wikidata	`Q59654096`

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Open it

Adobe Digital Editionsreads · freeware

Convert it

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Sources

PRONOM fmt/871
Wikidata Q59654096

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

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