Document Editing Problems

How to Replace Letters with X in Word Without Changing Formatting

Maira Mehtab Sep 27, 2026 869 views

Question details

The user wants to replace all English alphabetic characters in a document with the letter 'x' without altering numbers, spaces, punctuation, or the original document formatting.

Product: Microsoft Word
Device & OS: not provided
Scenario: Masking or redacting text content in a document while retaining the overall layout and non-alphabetic elements.
Observed behavior: To safely execute a mass replacement of letters to 'x' ensuring that formatting and other characters remain completely intact.

Before you start

Before applying wildcard replacements across your entire document, save a separate copy of your file so you can safely revert back if the redaction does not meet your expectations.

Solution 1Recommended

Use Find and Replace with Wildcards

The most efficient method to replace all letters while keeping other characters safe is by utilizing Word's built-in wildcard search functionality.

Microsoft Word's wildcard feature allows you to search for specific character ranges. By searching for all uppercase and lowercase English letters, you can safely swap them with an 'x' without touching numbers or punctuation.

Open the Find and Replace dialog

Press Ctrl+H on your keyboard to launch the Find and Replace dialog box.

Enter the wildcard formula

In the 'Find what' input field, type [A-Za-z] to target all standard English letters.

Set the replacement character

In the 'Replace with' input field, type x (or X if you prefer uppercase).

Enable wildcard searching

Click the 'More' button to reveal advanced options, then check the box next to 'Use wildcards'.

Execute the replacement

Click the 'Replace All' button. Word will now replace every individual letter with 'x' across the document.

Formatting Preserved: Because you are strictly targeting the [A-Za-z] character range, your numbers, punctuation, spaces, and document formatting will remain completely unchanged.

Use WPS Office to easily manage document text

Replace Text Effortlessly with WPS Writer

WPS Writer offers powerful text editing tools, including advanced Find and Replace with wildcard support, allowing you to manipulate document content easily.

1. Open document in WPS: Launch WPS Writer and open the document you wish to edit.
2. Access Find and Replace: Press Ctrl+H or navigate to the Home tab and click on Find and Replace.
3. Input wildcard parameters: Type [A-Za-z] in the 'Find what' field and type x in the 'Replace with' field.
4. Apply changes: Click the 'Options' button, check the 'Use wildcards' box, and click 'Replace All' to finish.

Fully compatible with Microsoft Word document formats (.docx)Supports advanced wildcard search and replace operationsLightweight, fast, and free to useFamiliar user interface makes it easy to switch

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Frequently Asked Questions

Can I replace only lowercase letters with 'x'?

Yes. In the Find and Replace dialog with wildcards enabled, enter [a-z] in the 'Find what' field instead of [A-Za-z]. This will target only lowercase letters.

How do I replace numbers with 'x' instead of letters?

To replace numbers, open Find and Replace (Ctrl+H), enable 'Use wildcards', and type [0-9] in the 'Find what' field. Put 'x' in the 'Replace with' field and click Replace All.

Will replacing text with wildcards mess up my font styles?

No, replacing text using wildcards preserves the original font styles, sizes, colors, and paragraph formatting applied to those specific character positions.

Why is 'Use wildcards' greyed out in my Find and Replace box?

Ensure you have clicked the 'More' button in the Find and Replace dialog box to expand all options. If it is still unclickable, make sure your cursor is actively placed in the 'Find what' input field.

Document & File Issues