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).
File Extension. Example: Common file extensions include .txt for text files and .jpg for JPEG image files.. A file extension is the last part of a filename, after the dot (e.g. .pdf). Most file extensions are three characters long, but they can be shorter or longer as well. File extensions are used to define the file type of each file. The operating system uses this information to select which application will open the file and choose the appropriate icon for the file.