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Activate the MathType Add-in for Microsoft 365
Reading time: 2minActivate the MathType Add-in for Microsoft 365 to access MathType and ChemType after installing the add-in.
You can start with a 30-day free trial or sign in to use an existing MathType subscription. Depending on how your MathType license is managed, you may also have access through a Community Subscription or a product key.
This article covers activation only. If you have not installed the add-in yet, see Install the MathType Add-in for Microsoft 365.
Before you begin
Requirements
- The MathType Add-in for Microsoft 365 is installed in Word or PowerPoint.
- You already have access to the Microsoft account associated with your MathType subscription.
- You have your product key available if your license requires one.
When you use MathType without an active subscription, you can start a 30-day free trial.
The trial is shared between MathType for Microsoft 365 and MathType for Google Workspace. Starting your trial in either product starts the same trial period for both.
If your institution or company provides MathType through a Community Subscription, use your institutional or company account when signing in.
Steps
Sign in to MathType
Use this method if you already have a MathType subscription associated with your account or want to start your free trial.
- Open Microsoft Word or Microsoft PowerPoint.
- Open the MathType Add-in.
- Select Open MathType.
- Select Sign in.
- Sign in with the Microsoft account associated with your MathType subscription.
If your account has an active subscription, MathType automatically detects it and grants you access to the corresponding license. If you do not have an active subscription, you can start the 30-day free trial.
Activate MathType with a Community Subscription
If your institution or company provides access to MathType through a Community Subscription:
- Open MathType and select Sign in.
- Sign in using your institutional or company email address.
- Follow the sign-in process for your organization.
If your account belongs to an organization with an active Community Subscription, MathType automatically provides access to the corresponding license.
Activate MathType with a product key
If your MathType license is not associated with the Microsoft account you use to sign in, you can activate MathType with a product key.
- Open the MathType Add-in in Microsoft Word or PowerPoint.
- In the trial message, select Product Key.
- Enter your MathType product key.
- Select Validate your product key.

You can find your product key in your purchase confirmation email. If your institution or company provides the license, contact your system administrator for the product key.
Verify it worked
To verify that MathType is activated:
- Open MathType from Microsoft Word or PowerPoint.
- Confirm that you can open the MathType editor and create or edit an equation.
If you can use the editor without being asked to activate MathType, your license is active.
Common errors
My subscription is not detected after signing in
Make sure you signed in with the same account associated with your MathType subscription.
- If you purchased MathType using a different email address, sign out and sign in again with that account.
- If your institution or company provides MathType through a Community Subscription, make sure you are using your institutional or company account.
My account is not associated with a subscription
If MathType does not find an active subscription for your account, you can:
- Start the 30-day free trial, if available.
- Enter a valid product key, if you have one.
- Contact your institution or company if you expect to have access through a Community Subscription.
I can't sign in to MathType in Safari
Safari privacy settings can prevent the MathType sign-in process from working correctly. If sign-in is blocked, temporarily disable Prevent cross-site tracking in Safari settings and try signing in again.

After completing the sign-in process, you can restore your previous Safari privacy setting.