Formatting Issues

How to Fix Text Becoming Unreadable After Changing Fonts in Word

Anum MushtaqAnum Mushtaq Nov 3, 2026 868 views

Question details

The user needs to resolve an issue where document text transforms into distorted symbols or unreadable characters when replacing a specialized legacy font with a standard font.

How to Fix Text Becoming Unreadable After Changing Fonts in Word
Product
Microsoft Word
Device & OS
not provided
Scenario
Editing a document that originally used a specialized or legacy font with custom character mappings, and attempting to modernize the font.
Observed behavior
The text turns into completely unreadable characters, boxes, or gibberish when the font is changed from the original (e.g., HellasArial) to a standard font like Arial or Times New Roman.
Before you start

Select a portion of the unreadable text and check the Font Name dropdown in the Home tab to identify the exact name of the original specialized font used.

Solution 1Recommended

Reinstall and Apply the Original Specialized Font

Reverting to the original legacy font is the most reliable way to restore text readability when dealing with custom character encodings.

Older or specialized fonts often map characters differently than modern Unicode standards. To view the text correctly without complicated conversions, your system must have the exact original font installed.

1
Locate the original font

Obtain the original font file (e.g., HellasArial.ttf) from the document's creator or download it from a trusted typography website.

2
Install the font on your system

Right-click the downloaded font file and select 'Install' from the context menu to add it to your computer's font library.

3
Apply the font in Word

Restart Microsoft Word, open your document, select the unreadable text, and choose the newly installed original font from the Font dropdown menu on the Home tab.

Reinstall and Apply the Original Specialized Font
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Frequently Asked Questions

Why does text turn into boxes or symbols when I change fonts?

This happens when the original text was typed using a legacy font with a custom character encoding rather than standard Unicode. Changing the font simply applies standard character mappings to non-standard codes, which results in gibberish.

Can I convert legacy font text to Arial automatically in Word?

No, Microsoft Word cannot automatically translate custom legacy encodings to Unicode just by changing the font in the dropdown. You will need a third-party macro or a font-specific conversion utility to rewrite the underlying character codes.

How do I safely share my corrupted document for troubleshooting?

Save a copy of your document and use Word's RAND function to generate sample text if needed. Remove any confidential information, upload the file to a cloud service like OneDrive or Dropbox, and share a view-only link with support forums.