组图：PowerPoint 20年生日

　　1987年PowerPoint正式与用户见面，PPT格式是微软办公软件PowerPoint编辑后保存的文件格式.也叫演示文档.PPT(Power Point)＋电脑＋投影仪，替代了传统的胶片和幻灯.

　　PPT已经成为了演示文档的标准之一，在商业领域和教育领域发挥了重要的作用，我们一起来回顾一下PowerPoint的历史吧!

Microsoft PowerPoint 2.0， demo， Macintosh edition
Microsoft PowerPoint 3.0

Microsoft PowerPoint 3.0， part of Office 4.0 package
Microsoft PowerPoint 4.0


Microsoft PowerPoint 4.0 with thanks to Scoops



Microsoft PowerPoint 4.0， Macintosh edition

Microsoft PowerPoint 95



Microsoft PowerPoint 95， version 7.0， Polish
Microsoft PowerPoint 97


Microsoft PowerPoint 97 with thanks to Scoops
Microsoft PowerPoint 98

Microsoft PowerPoint 98， Macintosh edition
Microsoft PowerPoint 2000

Microsoft PowerPoint 2000， Polish
Microsoft PowerPoint 2001

Microsoft PowerPoint 2001， Macintosh edition
　 Microsoft PowerPoint XP


Microsoft PowerPoint XP
Microsoft PowerPoint v. X

Microsoft PowerPoint v. X， Macintosh edition
Microsoft PowerPoint 2003

Microsoft PowerPoint 2003
Microsoft PowerPoint 2004

Microsoft PowerPoint 2004， Macintosh edition
Microsoft PowerPoint 2007

Microsoft PowerPoint 2007， beta 2 with thanks to Daniel Clemens