If you have a billing profile, you must be a billing account owner or billing account contributor.For more information, see About admin roles in the Microsoft 365 admin center You must be a Global or Billing admin to do the steps in this article.In some cases, you can't automatically change to a new plan, and instead must change plans manually. After you buy a new plan, all users are automatically assigned licenses in the new plan, and your old plan is canceled for you.
An automatic change walks you through the entire process from beginning to end. Most of the time, you can change plans automatically. When your business needs change, or you want more features, you can change to a different Microsoft 365 for business plan.
