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Changing the default font

To change the default font for all new documents created within the ONLYOFFICE Docs test examples, modify the existing document templates:

  1. Navigate to the folder containing the document templates. The path to this folder depends on the programming language of the test example:

    • .Net (C# MVC) - assets/document-templates/new
    • .Net (C#) - assets/document-templates/new
    • Go - static/assets/document-templates/new
    • Java - src/main/resources/assets/document-templates/new
    • Java Spring - src/main/resources/assets/document-templates/new
    • Node.js - public/assets/document-templates/new
    • PHP - assets/document-templates/new
    • PHP (Laravel) - public/assets/document-templates/new
    • Python - assets/document-templates/new
    • Ruby - assets/document-templates/new

  2. Open the template for the required editor type (new.docx, new.xlsx, new.pptx, or new.pdf) in ONLYOFFICE Desktop Editors and adjust the font name and/or size.

  3. Save the file.

After that, all new documents will be created with the specified font.

Known issues​

When editing or opening documents in ONLYOFFICE Docs, the platform uses a predefined list of fonts available on the server. Here's how font substitution works:

  • Pre-installed fonts: ONLYOFFICE Docs comes with a default set of open-source fonts.
  • Font substitution: If a document contains proprietary fonts (e.g., created in third-party editors), ONLYOFFICE Docs automatically selects the most similar available font.

To avoid layout issues caused by font substitution, make sure to install custom fonts on the document server before uploading any templates created in external software. Follow the official instructions for Windows, Linux, or Docker.