Office 365 Support

This independent guide lists all official Microsoft Office 365 support channels. We are not affiliated with Microsoft. Use the options below to get help with your subscription.

Phone Support

1-800-msn

Mon–Fri, 9am–9pm EST

Call Now

Live Chat

support.microsoft.com

Available 24/7 for subscribers

Start Chat

Support Portal

admin.microsoft.com

For business and enterprise plans

Open Portal

Community Forum

answers.microsoft.com

Free community-powered support

Visit Forum

Common Support Topics

Billing & Subscription

Unexpected charges, auto-renewal, plan changes, and cancellations.

Password & Account Access

Reset your password, recover your account, or update security settings.

Installation & Setup

Install Office apps on your devices, activation errors, and licence issues.

Refunds

Request a refund within 30 days or dispute an unauthorised charge.

Contact Numbers →Customer Care →Billing Help →