ppt

https://www.evinco-software.com/chi/blog/make-powerpoint-file-smaller/

https://www.pook.com.tw/single-post/2017/02/15/%E5%BE%B9%E5%BA%95%E8%A7%A3%E6%B1%BAPPT%E6%AA%94%E6%A1%88%E5%A4%A7%E5%B0%8F%E7%9A%84%E5%95%8F%E9%A1%8C


https://support.office.com/zh-tw/article/%E5%A3%93%E7%B8%AE%E5%AA%92%E9%AB%94%E6%AA%94%E6%A1%88-a45c956a-f4a6-4d47-99ef-b408ac5a9a6b


https://support.office.com/zh-tw/article/powerpoint-%E4%B8%AD%E6%94%AF%E6%8F%B4%E7%9A%84%E8%A6%96%E8%A8%8A%E8%88%87%E9%9F%B3%E8%A8%8A%E6%AA%94%E6%A1%88%E6%A0%BC%E5%BC%8F-d8b12450-26db-4c7b-a5c1-593d3418fb59


https://support.apple.com/kb/DL837?locale=zh_TW&viewlocale=zh_TW