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Protect and Unprotect Excel Files using C#

People often use it to work with data, like for finance or human resources tasks. However, since there are more ways for people to access data without permission these days, Excel lets you add a password to protect your Excel workbooks. So in this article, we will teach you how to protect and unprotect Excel files in C#.
December 14, 2020 · 3 min · Usman Aziz