Tag Archives: excel data validation

This post is guiding you to set a restriction which can keep users out of typing duplicate values into cells. There are some kinds of data that are regarded as unique values like identiffication number (employee ID, passport number, telephone number,…) Bài viết này mình hướng dẫn các bạn cách thiết lập hạn chế chặnContinue reading “[Excel] Data Validation – Prevent Users From Inputting Duplicate Values”