One alternative is to load the Google authenticator app on your iPhone. The security code must be entered before logging on to the account. Microsoft will send an authentication security code to the account's email address of record. When logging in to an Office 365 account from an unrecognized system, security is a priority. But here's the key the Recovery Code must be generated before it's required. The text and numeral string is critical for proving your identity if you need to recover an Office 365 account.

Office 365 will also issue a Recovery Code, which should be stored in a safe place (outside OneDrive storage), too. When creating an Office 365 subscription, do as you should be doing for other important accounts and document the account information, recording the username/email address and password. Microsoft collects the typical information, including an email address and password, mailing address and payment information. Once the proper account is identified, Home users can create a new account here, while Business users can create a new account here. Office 365 Business Premium, meanwhile, adds HD video conferencing, Skype and email service, along with 1TB file storage and sharing.

Office 365 Business includes full Office licensing for PCs, Macs and tablets, plus 1TB storage and sharing, but no hosted email service. Office 365 Business Essentials provides hosted email with 50GB of mailbox storage per user, 1TB file storage and sharing and online versions of Office. The Office 365 Home subscription provides Office application licensing for five PCs or Macs and five tablets (including iPads).

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