Can Microsoft 365 Family Be Used on Two Computers Simultaneously?
Question details
The user wants to know if they can install and use Microsoft 365 Family on both a desktop and a laptop simultaneously using the same Microsoft account.

- Product
- Microsoft 365 Family
- Device & OS
- not provided
- Scenario
- Installing and activating Microsoft Office applications on multiple devices under a single subscription plan.
- Observed behavior
- The user seeks clarification on device limits and simultaneous usage policies for Microsoft 365 Family accounts.
Ensure you have the login credentials for the Microsoft account associated with your active Microsoft 365 Family subscription before proceeding with installations on additional devices.
Install Microsoft 365 on Multiple Computers
You can install Microsoft 365 Family on up to five devices simultaneously per user. Follow these steps to install it on an additional computer.
With a Microsoft 365 Family subscription, you can share the plan with up to five other people. More importantly, each individual user on the plan can install Office applications on up to five devices at the same time.
This means you can easily install and use Office on both your desktop and laptop using the exact same Microsoft account, regardless of whether they are running Windows or macOS.
Go to www.office.com on the second computer (desktop or laptop) where you want to install the software.
Log in using the Microsoft account associated with your Microsoft 365 Family subscription.
On the Office home page, click the 'Install Office' button, then confirm by selecting 'Install' or 'Install Office' depending on your regional version.
Open the downloaded setup file and follow the on-screen instructions to complete the installation.
Launch any Office application (such as Word or Excel) and sign in with your Microsoft account to activate the suite on this device.

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Frequently Asked Questions
What happens if I try to install Microsoft 365 on a sixth device?
If you sign in to Office on a sixth device, you will exceed the five-device limit. Microsoft will automatically sign you out of one of your other devices so you can use the new one.
Do I need a separate subscription for my Mac and Windows PC?
No, your single Microsoft 365 Family subscription covers installations across Windows, Mac, iOS, and Android. You can mix and match operating systems up to your five-device limit.
Can my family members also use the software on multiple computers?
Yes. You can share your Microsoft 365 Family subscription with up to five other people. Each of those individuals gets their own 1 TB of cloud storage and can install Office on up to five of their own devices simultaneously.




