The issue was corrected for the latter two, but to ensure backward compatibility, it could not be rectified for the year 1900.4. Since Excel was initially launched on the Macintosh, its first release for Windows in 1987 was already version 2.3.For compatibility reasons with Lotus 1-2-3, Microsoft wrongfully set the years 1900, 2100, and 2200 as leap years.This decision would come back to haunt them in the wake of the year 2000. Originally released under the name Multiplan in 1982, Microsoft changed the name to Excel when releasing it for the Macintosh in 1985.2.There never was an Excel 1.0 for DOS or Windows. Today, a world without these tools is hard to imagine.Do you remember how it all began? Here are 20+ facts from the eventful history of Microsoft Office.The Beginning 1.Microsoft's first Office application was Excel. The world has changed since digital presentations, became a thing 20 Historical Microsoft Office Facts You Forgot Or Never KnewĢ0 Historical Microsoft Office Facts You Forgot Or Never Knew MUO 20 Historical Microsoft Office Facts You Forgot Or Never Knew The Microsoft Office suite turned 25 this year.The world has changed since digital presentations, word processing, and spreadsheets became a thing.Do you remember how it all began? Office celebrated its 25th anniversary this August.Instead of a big celebration, it just continued in millions of real offices everywhere.

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