Files created with Lotus 1-2-3 have an extension? November 28, 2021November 28, 2021 administrator Files created with Lotus 1-2-3 have an extension?123Excellent! You are Intelligent EngineerDOCWK1XLS Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...Related Posts:Archaeologists have identified some 400 Indus…