Microsoft Cloud Storage Partner Program

Integrate Office for the web into your experiences to empower users to view and edit Word, Excel, and PowerPoint documents stored directly on the cloud.

Overview

Integrate with Office for the web

Get Started

Apply for the Cloud Partner Storage Program

How-To Guide

Create new files with Office for the web

Quickstart

Frequently asked questions

Microsoft Cloud Storage Partner Program documentation

CSPP Overview

• Use the WOPI protocol to integrate with Office for the web
• Integrate with Office for the web

Get started

• Apply for the Cloud Storage Partner Program
• WOPI REST API Key concepts

Onboard

• Set up your environment
• Set up a host page

Reference

• Office for the web UI Guidelines
• WOPI discovery
• Microsoft-configured settings
• Office for the web environments
• More >

Build and customize

• Create new files with Office for the web
• Edit binary document formats
• Use PostMessage to interact with Office for the web
• Co-author with Office for the web
• More >

Test and launch

• Test Office for the web integration
• WOPI Validator
• Use proof keys to verify requests originate from Office for the web
• Launch your Office for the web integration
• Load time performance
• More >

Get support

• Troubleshoot interactions with Office for the web
• Common implementation issues
• Frequently asked questions
• Known issues
• Program Terms

Integrate with Microsoft 365 for mobile

• Integrate with Microsoft 365 for mobile
• Onboarding information for mobile integration
• WOPI implementation requirements for mobile integration
• Browse, open, and save files from Microsoft 365 for mobile
• Open files from your app in Microsoft 365 for mobile
• More >

Integrate with Cloud Storage Partner Program Plus (CSPP Plus)

• Cloud Storage Partner Program Plus Overview
• WOPI extensions for coauthoring - Overview
• WOPI extensions for coauthoring - Additional CheckFileInfo properties
• WOPI extensions for coauthoring - GetNewAccessToken
• Locks - Overview
• More >