| The Office app combines the Word, Excel, and PowerPoint apps you know and rely on, with new capabilities that harness the unique strengths of a phone to create a simpler, yet more powerful Office experience on the go. Access your microsoft Office Account by visiting www.office.com/myaccount You can use all the Microsoft applications using a single Microsoft account. Here you can update your billing and payment details.you can also manage your account. If you already have an Office suite installed on your pc. You can sign in office account email and password to activate Office setup you can also create a new account for office 365. You can visit our site for details.