Office Settings & Configuration

How to Set A4 as Default Paper Size in Word Online

Maira Mehtab Sep 27, 2026 870 views

Question details

The user wants to know if there is a Microsoft 365 administrator setting to enforce A4 as the default paper size for all users in Word Online.

Product: Word Online
Device & OS: not provided
Scenario: Configuring organizational default document settings for Microsoft 365 users.
Observed behavior: Administrators are unable to find a centralized setting in the Microsoft 365 admin center to change the default paper size to A4 for all organizational users.

Before you start

Ensure you have SharePoint site owner or administrator permissions if you plan to distribute a standardized, organization-wide document template.

Solution 1Recommended

Distribute an A4 Word Template via SharePoint

Since there is no global admin setting, the best workaround is to create a centralized Word template with A4 size configured and share it across your organization.

Microsoft 365 currently lacks a centralized policy to force a specific paper size for Word Online. By providing a pre-configured template, organizations can ensure users always start with an A4 layout.

Create a Blank Document

Open a new Word document using the desktop application or Word Online.

Set Size to A4

Navigate to the 'Layout' tab, click on 'Size', and select 'A4' from the dropdown menu.

Save as a Template

Save the document as a Word Template (.dotx).

Upload to SharePoint

Upload this customized template to your organization's primary SharePoint document library and instruct team members to create their new files from it.

Standardized Workflow: Using a SharePoint organizational asset library allows users to access this A4 template directly from the 'New' menu in Office Online.

Solution 2

Manually Change Paper Size in Word Online

Individual users can manually adjust the paper size for their active document if a template is not provided.

Free Microsoft Office alternative

Use WPS Office for Easier Document Configuration

If configuring default layout settings in Microsoft 365 is too restrictive for your team, try WPS Office. It provides a lightweight, highly compatible alternative with easy-to-use page layout defaults and native support for all Microsoft Word formats.

1. Open WPS Writer: Launch WPS Writer and create a new blank document.
2. Navigate to Page Layout: Click on the 'Page Layout' tab and select 'Size'.
3. Set as Default: Choose 'A4', then click the 'Default' button at the bottom of the Page Setup dialog to apply this size to all future documents.

Fully compatible with Microsoft Word (.docx) and template (.dotx) formatsEasily set A4 as the permanent default page size for all new documentsFree, lightweight, and fast document processingFamiliar ribbon interface ensures a seamless transition for Microsoft users

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Frequently Asked Questions

Is there a global Microsoft 365 admin setting for Word Online paper size?

No, Microsoft 365 does not provide a direct administrator setting in the admin center to enforce A4 as the default paper size for all Word Online users. It must be handled via regional settings or shared templates.

Can I change my default paper size by adjusting regional settings?

Yes. Word Online's default paper size is heavily influenced by your account's language and regional settings. Changing your Microsoft 365 region to a location that uses the metric system (like English UK) will typically switch the default paper size from Letter to A4 for new documents.

Why does Word Online always default to Letter format?

Word Online defaults to Letter format if your organizational or personal account language is set to English (US). The United States relies on the Letter paper standard rather than the international A4 standard.

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