EIOffice

Unknown

document · also known as Yozo Office Document

EIOffice is an office productivity suite developed by Evermore Software. The suite was renamed to Yozo Office as of 2010. Word Processed documents, Spreadsheets, and Presentation formats share the same extension. It may be possible to distinguish between the different format types with further research.

Identify it

Extensions	`.eio`
Signatures	`00000fffffffffff010045005600450052004d004f0052004500200053004f00460054005700410052004500200049004e0043002e00` at byte 0 (EIOffice Document)
PRONOM	`fmt/1292`
Wikidata	`Q87765717`

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Open it

EIOfficereads and writes

Convert it

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Sources

File Formats Wiki
PRONOM fmt/1292
Wikidata Q87765717

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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