Format
dBASE Database
Summary
- Name
- dBASE Database
- Version
- III+
- Identifiers
- PUID: x-fmt/271
- Format type
- Database
- Description
- dBase is a database management systems for microcomputers.The dBase system includes the core database engine, a query system, a forms engine, and a programming language that ties all of these components together. dBase's underlying file format, the .dbf file, is widely used in applications needing a simple format to store structured data.
- File extensions
-
dbf - Source
- Digital Preservation Department / The National Archives
- Developed by
- dBASE Inc.
- Supported by
- dBASE Inc.
Internal signatures
dBase Table with dbt Version III+
- Note
- dbt Flag(Bit 7 of first byte), Version number(bits 0-2 of first byte), Date of last update MMDD, First upper or lowercase character of field name, field type (C, D, L, M, N). Memo fields in the dbf and a flag indicating the existence of a database text (.dbt) file were already a part of the dbase III dbf file format.
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
83??[01:0C][01:1F]{28}([41:5A]|[61:7A]){10}(43|44|4C|4D|4E)- Endianness
- None
Changelog
-
Updated in V112
- Release date
- 10 May 2023
dBASE Database III+: Added developer. Submitted by Digital Preservation Department, The National Archives (UK).
-
Updated in V83
- Release date
- 17 December 2015
dBASE Database III+: Added description.
-
Added in V46
- Release date
- 8 February 2011
dBASE Database III+: Existing signature refined through PRONOM Research.
-
Added in V45
- Release date
- 6 December 2010
dBASE Database III+: Signature submitted by Georgia Tech Research Institute, USA.