Sign in with the account you use for SkyDrive, Xbox LIVE, Outlook.com, or other Microsoft services.
Sign in with the account provided by your work or school to use with Office 365 or other Microsoft services.
Notify your customer of a bill that is 60 days past due with this reminder letter. The letter template encloses a copy of the latest billing statement and requests payment.
Round Lake Publishing, "Business LetterWorks"
For more variety, visit the Round Lake Publishing, "Business LetterWorks" site.