Keisuke Kameyama
Director of Academic computing & communications center
Masayuki Orimo
Leader of Information Security Incident Response Team & Information security risk manager

Support for Microsoft Office 2010 and Office 2016 for Mac will end on October 13, 2020.
https://docs.microsoft.com/en-us/lifecycle/announcements/office-2016-mac-office-2010-end-of-support

If you are using it, there will be security issues.  Please be sure to upgrade by the EES below.

<University of Tsukuba Microsoft Enrollment for Education Solutions (EES)>
https://ds.cc.tsukuba.ac.jp/ms-ees/index.en.html/

(reference)
https://ksp.sec.tsukuba.ac.jp/wp/?p=121341
https://oii.tsukuba.ac.jp/2019/04/03/news/782/