In this article, we will show you how to encrypt your local documents, spreadsheets, and presentations. This will be the first in the series: we will move from a simple symmetric encryption plugin to encrypting cloud files during real-time collaboration.
Tools
We will use ONLYOFFICE Desktop Editors, an open-source office suite for Linux, Windows, and macOS. It is distributed under AGPLv3 and has a publicly available API.
Read the original article: Encrypting Office Documents, Part 1: Protecting Local Files