Microsoft Excel 2000 Analysis ToolPak for Leap Year Posted on October 11, 2022 by 360 Some of the financial bond functions in the Excel 2000 Analysis ToolPak (ATP) handle the year 2000 leap day improperly. This update corrects the ATP functions to properly calculate the leap day. WHAT’S NEW IN VERSION UPDATE Post navigation « Yes AntiVirus-Tool Netsky-PLightshot for Chrome »