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File Encryption
Encryption
Locking a file so only the key can open it.
Definition
File encryption protects individual files by encrypting their contents. Without the right key or password, the file looks like random data.
In plain English
Locking a file so only the key can open it.
Why this matters
Why it matters: It helps protect sensitive documents if devices are lost or files are shared.
Example
Example: Encrypt a PDF before emailing it.