Microsoft Office Professional 2013 バージョン: 15.0.5311.1000

The most current version of Office 2013 is 15.0.5311.1000, which was released on January 12, 2021.

https://docs.microsoft.com/en-us/officeupdates/update-history-office-2013

Microsoft Office の2021年1月の更新プログラム