A cashier's check is not the same as a teller's check, also known as a banker's draft, which is a check provided to a customer of a bank or acquired from a bank for remittance purposes and drawn by the bank, and drawn on another bank or payable through or at a bank.
Microsoft Excel 2007, along with the other products in the Microsoft Office 2007 suite, introduced new file formats. The first of these (.xlsx) is defined in the Office Open XML (OOXML) specification.
slide 3 of 4. The Excel 2010 File Extension In Office 2010, as with Office 2007, the default file extension (unless this is changed in the program options screen) is the XML version â for Excel 2010, this would be .XLSX. There are, of course, compatibility issues to consider.