169 Lotus 1-2-3 Worksheet 1.0 Spreadsheet Lotus 1-2-3 Worksheet v 1 is a spreadsheet format developed for the spreadsheet, charting, and database software of the same name. Lotus Development Corporation released Lotus 1-2-3 in 1983 and its popularity led to it becoming close to an industry standard through the early 1990s. Text Little-endian (Intel) 1 Digital Preservation Department / The National Archives 02 Aug 2005 v.120- New description added as part of PRONOM Research Week 2024. Submitted by the J. Paul Getty Trust 03 Jan 2025 application/vnd.lotus-1-2-3 MIME application/x-123 MIME x-fmt/117 PUID wks File extension 460 Lotus 123 Worksheet 1.0 BOF Record Type = 0, record length =2 bytes; file format version number = dec 1028 = hex 0404 1 Absolute from BOF 0 000002000404 Has lower priority than 894 Microsoft Works Spreadsheet Is previous version of 166 Lotus 1-2-3 Worksheet Is previous version of 167 Lotus 1-2-3 Worksheet Is previous version of 168 Lotus 1-2-3 Worksheet