This article provides guidance on how to lock a data range or section in a Word document.

1. Locking a Custom Section in Word
Step 1: Select the position of the Section you want to lock by placing the mouse cursor at the desired location -> Layout -> Continuous:

Step 2: Navigate to the Review tab -> Protect -> Restrict Editing:

Step 3: The Restrict Editing window appears under section 2. Check the box for Editing restrictions under Allow only this type of editing in the document -> select Filling in forms:

Step 4: Next, click on Select sections…:

Step 5: A dialog box appears, select the section you want to lock -> click OK:

Step 6: Click on Yes, start Enforcing Protection:

Step 7: A dialog box appears, enter the password to lock the data range -> press OK:

Once all sections are locked, they cannot be edited or copied. You can only edit in the areas where sections are not locked.

To unlock and edit the content again, go to the Review -> Restrict Editing tab, click on Stop protection -> enter the set password -> OK to unlock and edit the content:

Step 2: Go to the File tab -> Options -> a dialog box appears, click Customize Ribbon -> check the box for Developer -> OK:
Step 1: Select the data area you want to lock -> go to the Developer tab, click on the Rich text Content Control icon:

Step 2: Click on Control Properties in the Developer tab:

To lock a portion or a small data area, follow these steps: Step 1: Select the data area you want to lock -> go to the Developer tab, click on the Rich text Content Control icon:

Step 3: A dialog box appears prompting to enter the following content:
- In the Title: section, enter a title for the data area you want to lock.
- Under Locking, check the following two items:
+ Content Control cannot be deleted.
+ Content cannot be edited.
Finally, click on OK:

Step 4: Go to the Developer tab -> Restrict Editing to enable data protection mode:

Step 5: A window appears, make the following selection:
- In 1. Formatting restrictions, check the box for Limit Formatting to a selection of styles
- Next, in section 3, click on Yes start Enforcing Protection:

Step 6: A dialog box appears prompting you to enter a password to protect the selected data -> click OK:

You have now locked the selected data area. You cannot copy or edit content within the locked data area. There will be a notification at the bottom of the document page:

Similar to locking a section to edit the locked data, click on Stop Protection and enter the password to edit the content again.
Here, Mytour shares with you how to protect, lock a section or a data region in Word 2016. We hope it helps you. Good luck to all of you!