123 File Documentation

Overview

Feature Value
Primary function Spreadsheet document
Developer Lotus Software (now part of IBM)
Initial Release 1983
File Extension .123
MIME Type application/vnd.lotus-1-2-3
Format Type Binary
Compression Not inherently compressed
Support for Macros Yes
Spreadsheet features Charts, Functions, Macros, Formatting
Encryption Supported to secure documents
Platform DOS, Windows, OS/2
Multi-sheet support Yes
Support for Graphics Limited
Internationalization Support for multiple languages and character sets
Licensing Proprietary
Legacy status Legacy format, replaced by modern spreadsheet software
Integrated Graphing Basic graphing capabilities included
Maximum Rows per Sheet Varies by version; early versions more limited than later ones
Maximum Columns per Sheet Varies by version
File Size Limit Dependent on the operating system and version of Lotus 1-2-3
User Interface Graphical (in later versions) and command-line
Keyboard Shortcuts Extensive, customizable in later versions