How to encrypt important documents

1. Click the document attribute to select read-only
2. If it is wordexcelwps, you can set a password in the file/save/option, or set a password in the tool!
3. If you have a compression software, right-click the document! Select the compressed file. After setting the password, remember to delete the original file!
4. Use dedicated tools to set up a virtual disk for your private file! Find this tool by yourself!
5. you can add your privacy file to the photo. When someone else looks at the photo, they can't see anything except the picture, and you can share the content with your girlfriend! This is a method used by spies! Just like in the war in Iraq, this is what spies use! This requires specialized software. You can find it by yourself.
6. Set the access permission through the document.