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.
Updated February 23, 2017. A file with the DOCX file extension is a Microsoft Word Open XML Format Document file. DOCX files are XML-based and can contain text, objects, styles, formatting, and images, all of which are stored as separate files and ultimately compacted in a single, ZIP-compressed DOCX file.