Office 2013/2016/2019/2021/365新增功能对比
office-2013
https://support.microsoft.com/zh-cn/topic/office-2013-%E4%B8%AD%E7%9A%84%E6%96%B0%E5%A2%9E%E5%8A%9F%E8%83%BD-dcce97ca-fe5d-4295-a1c3-49da3e775856?ui=zh-cn&rs=zh-cn&ad=cn
office-2016
https://support.microsoft.com/zh-cn/office/office-2016-%E4%B8%AD%E9%9D%A2%E5%90%91%E9%9D%9E%E8%AE%A2%E9%98%85%E8%80%85%E7%9A%84%E6%96%B0%E5%A2%9E%E5%8A%9F%E8%83%BD%E5%92%8C%E6%94%B9%E8%BF%9B%E4%B9%8B%E5%A4%84-29d7e38e-ef06-4d9c-a476-03d896928b2f
office-2019
https://support.microsoft.com/zh-cn/office/office-2019-%E4%B8%AD%E7%9A%84%E6%96%B0%E5%A2%9E%E5%8A%9F%E8%83%BD-5077cbbe-0d94-44cc-b30e-654e37629b0c
office-2021
https://support.microsoft.com/zh-cn/office/office-2021-%E4%B8%AD%E7%9A%84%E6%96%B0%E5%A2%9E%E5%8A%9F%E8%83%BD-43848c29-665d-4b1b-bc12-acd2bfb3910a
outlook-for-microsoft-365
https://support.microsoft.com/zh-cn/office/outlook-for-microsoft-365-%E4%B8%AD%E7%9A%84%E6%96%B0%E5%A2%9E%E5%8A%9F%E8%83%BD-51c81e7a-de25-4a34-a7fe-bd79f8e48647
office-快速入门
https://support.microsoft.com/zh-cn/office/office-%E5%BF%AB%E9%80%9F%E5%85%A5%E9%97%A8-25f909da-3e76-443d-94f4-6cdf7dedc51e
office-应用帮助和培训
https://support.microsoft.com/zh-cn/office/office-%E5%BA%94%E7%94%A8%E5%B8%AE%E5%8A%A9%E5%92%8C%E5%9F%B9%E8%AE%AD-8b9042aa-7507-477b-b294-1b178b47c8e5