Check Inactive Users Name LastVisit Organization Send Email Luo Zuo2023-06-02 08:22:12National University of Singapore Sang Wu2023-05-29 22:22:55Columbia University Shijun Xia2023-05-11 15:00:00San Diego State University Check All Uncheck All Inactive Period > 6 months-1 year 1 year-3 years more than 3 years more than 6 months more than 1 year