How to Change File Extension in Windows 10Ī file extension or known as filename extension is a suffix at the end of a computer file.

Here we discuss how to Change the Excel file format or Extension along with its practical examples. This has been a guide to Extensions of Excel.

Then you can change the file format again.

then it will display an alert message box.

Any file format doesn’t support all the features of excel like formulas etc.

Things to Remember about Excel File Formats

Under the Type of file option, you can see the file type or extension of the file.

Click on the Properties option from the list.

It will open a drop-down list of options.

Select the file for which you want to know the file format.

How do you know the file type of saved file?

It will save the file with the extension.

Choose the file format and click on the Save button for saving the file.

Click on Save as type filed it will open a list of formats as shown in the below screenshot.

Under Save as type field, we need to choose the file format.

Under the File name field, give the file name for the workbook.

I have selected the Desktop for saving this file as a destination.

Now you need to select where you want to save the file in the system.

It will open a dialog box, as shown below.

Click on Save As option as shown below.

There are a lot of options available in this pane.

Open the workbook for which you want to change the format.

How to Change the Excel file format or Extension?įor changing the file extension, follow the below steps: Sometimes while opening, it gets hanged and frequently crashes.

If excel files contain a large amount of data or information, this file extension type fully supports in the compression process, saving, opening, etc.Īn excel file that contains a large amount of data takes a lot of time in the opening in processing that file. This file extension is very reliable in terms of macros and for security reasons. Because of security reasons and for protecting a file with computer viruses, malicious macros, infecting computers, etc., this version comes into existence.

With the help of an extension, it’s easy to understand that the file contains a macro. This extension file type is generated by the spreadsheet with the excel version 2007 onwards, including Excel macros. Only one disadvantage of this XSLX extension is that this version is incompatible to run the files prior to Excel 2007. It requires less time to download or upload excel documents. With the use of this technology, the file with XSLX format is very less in weight or size, and as compared to the XLS file format, this leads directly to saving space.

How to file extension