You have been on Tamiflu for 5 days are you still contagious? My husband has a confirmed case of H1N1 and was given Tamiflu to help. It has made a marked difference in how he is feeling (he has been on the meds a little more than 24 hour â¦ s).
Worksheet file (Microsoft Excel) XLS is a file extension for a spreadsheet file format created by Microsoft for use with Microsoft Excel. XLS stands for eXceL Spreadsheet. Microsoft Excel files use a proprietary format for storing Microsoft Excel documents. This file format is known as the Binary Interchange File Format (BIFF).
The most common file formats used with the specific file extensions. .ods file extension is used for OpenDocument spreadsheet. .xls file extension is used for Microsoft Excel 97 to 2003 workbook. .xlsm file extension is used for Microsoft Excel Open XML macro-enabled workbook. .xlsx file extension is used for Microsoft Excel Open XML workbook and spreadsheet.