PDF (Portable Document Format) files are widely used for their ability to preserve document formatting across different devices and platforms. However, the sensitive information contained within these files may require an additional layer of security to prevent unauthorized access. If you own an iPhone, you can easily lock your PDF files to protect your private data. In this article, we will guide you through the process of locking PDF files on your iPhone, ensuring that your confidential documents stay safe from prying eyes.
The iOS 16 and iPadOS 16, have a feature in the Files app, that allows users to lock PDF files for added security. By setting a password, iPhone users can now protect locally stored PDFs. However, it’s important to note that PDF files stored in iCloud cannot be password protected. To make use of this feature, ensure that your device’s software is updated to the latest version. Once that is sorted, follow the steps below to lock PDF files on your iPhone.
READ ALSO: How to Lock Your Photos App on iPhone
Lock PDF Files on your iPhone
1. Open the Files app on your iPhone.
2: Navigate to the folder where your PDF file is located.
3: Locate the PDF file you want to lock and select it by tapping on it once.
4: Tap on the Drop-down icon at the upper left corner of the screen just after the document name.
5: Select “Lock” from the available actions.
6: If it’s your first time using this feature, you’ll be prompted to set a password.
7: Enter your desired password then tap DONE and the PDF file will be locked securely.