Format
Microsoft Outlook Email Message
Summary
- Name
- Microsoft Outlook Email Message
- Version
- 97-2003
- Identifiers
-
- PUID: x-fmt/430
- MIME: application/vnd.ms-outlook
- Format type
- Disclosure
- None
- Description
- This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
- File extensions
-
msg,oft - Source
- Digital Preservation Department / The National Archives
Relationships
- Has priority over
Internal signatures
Outlook Message Format
- Note
- Compound document header + IPM.Note + recip_version stream header
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
D0CF11E0A1B11AE1{20}FEFF- Endianness
- Little-endian
- Min Frag Length
- Variable
- Offset
- None
- Max offset
- None
- Byte Sequence
49504D2E4E6F7465- Endianness
- Little-endian
- Min Frag Length
- Variable
- Offset
- None
- Max offset
- None
- Byte Sequence
720065006300690070005F00760065007200730069006F006E00- Endianness
- Little-endian
Container signatures
Type: OLE2
12000 - Microsoft Outlook Email Message
- File path
- __properties_version1.0
- File path
- __nameid_version1.0
Changelog
-
Updated in V122
- Release date
- 19 January 2026
Microsoft Outlook Email Message: Added MIMEtype. Submitted by .
-
Updated in V89
- Release date
- 8 March 2017
Microsoft Outlook Email Message: Added extension signature oft
-
Updated in V60
- Release date
- 11 June 2012
Microsoft Outlook Email Message 97-2003: Container signature statement added to record notes.