ALL is a file extension for a spreadsheet file created by Lotus 1-2-3. ALL files contain data organized into rows and columns in a spreadsheet format. ALL files can be opened by Lotus 1-2-3. Founded in 1982, Lotus was purchased by IBM in 1995.
MIME type: application/vnd.lotus-1-2-3
Learn more about .ALL files:
Visit the Lotus web page.
Read about Lotus at ITKnowledgeExchange.com.