How to Lock a PDF File on iPhone

Apple has a hidden characteristic that allows you to lock delicate PDF paperwork with a password. This manner, you’ll be able to safe delicate paperwork instantly in your telephone and stop others from accessing the content material inside it. In this publish, we’ll assist you arrange a lock on a PDF file in your iPhone using the Files app. 

How to lock a PDF file on an iPhone

You can lock a PDF file that’s saved regionally in your iPhone by following the steps under.

1. Open the Files app, and browse the PDF file that you just want to lock from beneath Browse > On My iPhone. 
   
   Note: PDF information saved in your iCloud Drive can’t be locked, solely regionally saved information may be password-protected. 
2. Once you find it, faucet on the PDF file you need to open it. 
   
3. When the file hundreds up, faucet on the down arrow icon adjoining to the file title on the prime. 
   
4. From the overflow menu, choose Lock PDF.
   
5. On the following display, you may be requested to set a password for the file. Type your required password contained in the Password and Verify packing containers after which faucet on Done on the prime proper nook.
   
6. Your file will now be locked and password-protected.

How to open a locked PDF on an iPhone

You also can entry locked PDF information the identical manner you’d open every other file on the Files app.

1. To open a locked PDF, open the Files app and choose the PDF file (that’s marked with a lock icon).
   
2. When you try this, the display will learn “This document is password protected”. To entry this file, faucet on the textual content part beneath this message, begin typing the password you beforehand set for the file, after which press the Go key in your keyboard. 
   
3. The locked PDF file will now open and you may execute completely different operations on it. 

Can you unlock locked PDFs using the Files app?

No. You can not unlock PDF information in your iPhone which might be already locked. What this implies is that PDF information you lock using the Files app in your iPhone will stay locked without end and also you gained’t have the ability to unlock it from the Files app. Locked PDF information can solely be accessed after you enter the password you set for it and also you would wish to enter that each time you open the file. 

Why can’t I lock a PDF on Files?

Locking a PDF file on an iPhone is a comparatively say affair however when you’re not in a position to entry this characteristic, listed below are some explanation why:

• You can not lock PDFs which might be in your iCloud Drive: iOS solely means that you can lock PDFs which might be accessible regionally in your iPhone and never those uploaded to your iCloud account. So just remember to’re solely deciding on information out of your native storage. 
• Your iPhone isn’t up to date to iOS 15 or newer variations: The Lock PDF software is barely accessible on iPhones operating iOS 15 or newer variations. If you’re operating an older iOS model, this feature gained’t present up.  
• PDF file is already locked: If you’ve locked a PDF file previously, you gained’t discover the Lock PDF possibility whenever you entry its file choices. 

That’s all you want to find out about locking a PDF file on an iPhone.

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