Office Settings & Configuration

How to Change the Font in a Microsoft 365 Custom Theme

Chanuka Geekiyanage Sep 27, 2026 869 views

Question details

The user wants to know how to change the global font or attach theme templates within the Microsoft 365 admin center's Custom Theme options.

How to Change the Font in a Microsoft 365 Custom Theme

Product: Microsoft 365
Device & OS: not provided
Scenario: Configuring a custom organizational theme in the Microsoft 365 admin center to enforce branding guidelines.
Observed behavior: Administrators can change colors and logos, but the option to change the default font or attach document theme templates is completely missing from the interface.

Before you start

Ensure you have global administrator privileges in your Microsoft 365 tenant to access and modify organizational theme settings in the admin center.

Solution 1Recommended

Understand Microsoft 365 Admin Center Theme Limitations

The Microsoft 365 admin center organizational profile theme currently only supports logos and colors for the web interface, lacking a global font change option for documents.

The Custom Theme feature in the Microsoft 365 admin center is designed primarily for branding the web portal interface. It allows administrators to customize the logo, background image, and navigation bar colors.

However, it does not provide a global setting to deploy default document fonts across desktop applications like Word, Excel, or PowerPoint. To enforce a standard font, IT administrators must use alternative deployment methods.

Check Admin Center Capabilities

Log in to the Microsoft 365 admin center, navigate to Settings > Org settings > Organization profile, and select Custom themes. Note that only branding assets like logos and navigation colors are available here.

Use Group Policy or Intune for Office Apps

To enforce a standard font across desktop applications, administrators should instead create a custom Office Theme (.thmx file) and deploy it to users' devices using Microsoft Intune or Windows Group Policy.

Understand Microsoft 365 Admin Center Theme Limitations

Deployment Scope: Custom themes set in the admin center only apply to the top navigation bar of Microsoft 365 web applications, not the content of the documents themselves.

Solution 2

Set Default Fonts Manually in Office Applications

If you cannot deploy an organization-wide theme via IT policies, users can manually set default fonts in their individual Office applications.

Free Microsoft Office alternative

Switch to WPS Office for Easier Document and Theme Management

If managing Microsoft 365 tenant settings and group policies feels overly complex, WPS Office offers a streamlined, free alternative. You can easily create, manage, and share beautifully formatted documents, spreadsheets, and presentations without struggling through complicated admin centers.

1. Download and Install: Get WPS Office for free from the official website and install it on your device.
2. Open WPS Writer: Launch WPS Writer and navigate to the Home tab to easily select your preferred default fonts and styling.
3. Save Custom Templates: Format your document to your organizational standards and save it as a custom template for your team to use.

Fully compatible with Microsoft Office formats (.docx, .xlsx, .pptx)Free and lightweight suite for PC, Mac, and mobile devicesEasily customize fonts, styles, and templates directly within the applicationFamiliar, intuitive user interface requiring no steep learning curve

microsoft office alternative - wps office

Frequently Asked Questions

Why can't I find the option to attach theme templates in the Microsoft 365 admin center?

The Microsoft 365 admin center's organizational profile theme settings only support portal branding elements like colors, logos, and background images. It does not natively support attaching document templates or modifying global application fonts from that menu.

How can I deploy a custom font to all users in my organization?

To deploy standard fonts to all users, you need to create a custom Office Theme (.thmx) in a desktop app and distribute it using Windows Group Policy (GPO), Microsoft Intune, or by systematically replacing the default Normal.dotm template on user devices.

Does changing the custom theme color affect Word and Excel documents?

No, changing the custom theme in the Microsoft 365 admin center only affects the top navigation bar and portal interface of the Microsoft 365 web apps. It does not alter the default styles, colors, or fonts inside Word, Excel, or PowerPoint documents.

Office App Problems