File Name Excel File Extension

In the figure below we have the file name in column a and we want to insert the file extension xlsx in the file names in column a and the entire file name along with added extension will be shown in column b.
File name excel file extension. Csv comma delimited saves a workbook as a comma delimited text file for use on another windows operating system and makes sure that tab characters line breaks and other characters are interpreted correctly. A file extension is the group of letters that appear after the last period in a file name. Briefly the formula finds the extension first and then cuts the file name. We will try to add file extension to file names that are available in cells in excel.
Using vba get a list of all the file names with a specific extension. How to recover excel file when the file format or file extension is not valid. Finally the substitute function replaces a period and the extension string with an empty string. In expenses xlsx for example the first part of the file name is expenses and the extension is xlsx.
Windows file names have two parts separated by a period. Trim and right functions return the right 100 characters and trims the name to get the extension from the end. The following is a list of microsoft office filename extensions used in microsoft office software suite as of january 2017. File extensions are usually 2 to 4 characters long although they can be of any length excel uses a handful of standard extensions to disambiguate certain kinds of spreadsheet files.
Enter this formula replace right a2 5 1 search right a2 5 into a blank cell next to your data see screenshot. The default file format for an excel template for excel 2010 and excel 2007. Stores vba macro code or excel 4 0 macro sheets xlm. Please do as follows.
First the file name and second a three or four character extension that defines the file type. But what if you want to get the names of only the video files or only the excel files or only the file names that contain a specific keyword. The binary file format biff12 for excel 2010 and excel 2007. The xml based and macro enabled file format for excel 2016 excel 2013 excel 2010 and excel 2007.
In excel there is no direct way for you to sort the file extension but you can apply a helper column to extract the extensions first and then sort the rows based on that helper column. We will use concatenate operator in excel. Extension name of file format description csv. The above formula works great when you want to get a list of all the file names from a folder in excel.