How to Rename File Extension

You are not yet very experienced in using the computer but, for one reason or another, you always find yourself facing situations that would require a little more preparation. For example, right now you are dealing with a file that does not have the right extension and therefore does not open with the program with which it should open.

So you are certainly wondering how to rename extension to a file, and I'm here today to explain it to you, both in regards to Windows what about MacOS. So, do not waste any more time and immediately start facing this new challenge that will allow you to understand a little more about the computer world, making you even more independent and prepared to face new IT “obstacles”.

How do you say? Are you worried that this may be too complicated for you? Come on, don't talk nonsense! Contrary to appearances and beyond what you may think they can assure you that renaming file extension is an extremely practical procedure and within everyone's reach. Having clarified this, I would say not to waste any more precious time, to ban the chattering and to really start getting busy!

Before explaining how to rename file extension, however, you need to consider what you really want: to correct the extension of a file that, for one reason or another, is not the right one or transform one type of file into another. In the first case (for example if you received by email a file with the extension .doc1 instead of .doc), the solution to the problem is very simple, in fact, you just need to enable the display of file extensions and rename the file so that it has the extension right. In the second case, you have to resort to the use of special tools and the steps to be taken are different but in any case nothing that may be out of your reach, do not fear.

Fix File Extension on Windows

If you are using a PC with Windows installed and you are interested in understanding what needs to be done in order to rename file extension, the first step you need to take is to enable the display of extensions. To do this, proceed as follows depending on the version of Windows you are using.

  • On Windows XP, open any folder in Windows Explorerclick sulla voce Means located at the top of the displayed window and select the item Folder options from the menu that went to open. In the window that opens, click on the tab viewing, remove the check mark from the item Hide extensions for known file types click her cousin Apply and then OK to save the settings.
  • On Windows Vista and Windows 7, open any folder and select the item Folder and search options from the menu Organize located at the top left after which click on the tab viewing, remove the check mark next to the item Hide extensions for known file types e cheap prima su Apply and then OK to save the settings.
  • On Windows 8 / 8.x and Windows 10, open any folder and select the item View placed at the top and then presses the button Show / Hide and put a check mark on the box next to the item File extensions.

Now that you have enabled the display of extensions in file names, right click on the file you want to change the extension to and click on the Rhinomine menu that opens. Then delete the last three or four letters after the dot at the end of the file name and replace them with the correct extension to apply to the file. For example, if the file is document.doc1 and then it doesn't open properly with Word, it clears doc1, replace it with doc and press the button Submit of your PC keyboard to save the changes. If you are asked to confirm the extension change, click on Yes.

If the file you need to rename has no extension, add a period followed by the extension you want to give it to the end of the name. You can perform these steps for each file and for each type of file.

As an alternative to the procedure I have just indicated, you can rename the file extension by right clicking on the element on which you intend to act, pressing on the item Property attached to the menu that is shown to you and by editing the text field located at the top of the tab General of the window that is shown to you. To conclude, first click on OK and then Si per confermare I modify it apportate.

Fix File Extension on MacOS

On Mac, as well as on Windows, the first step you need to take in order to rename file extension is to enable the display of extensions. To do this, click on the icon of Finder annexed to Dock macOS, click the entry Finder located in the upper left part of the menu bar and then select the item Preference ... give the menu that comes mostrato.

Now click on the tab Advanced and put a check mark on the box next to the item Show all filename extensions. To confirm the changes you made, simply close the Finder preferences window.

Now that you have enabled the display of extensions in file names, right-click on the element on which you intend to go to act and click on the item Rhinomine attached to the menu that opens. Alternatively, just left click on the file name and wait for it to be highlighted or you can always left click on the file name and press the button Submit on the keyboard. Then delete everything written after the final dot in the file name and type the correct document extension. For example, if you have a text document that is called documento.xxx, remove xxx and write pages (i.e. the extension of Pages files) instead of xxx.

If the file you need to rename has no extension, add a period followed by the extension you want to give it to the end of the name. You can perform these steps for each file and for each type of file.

As an alternative to the procedure I have just indicated, you can rename the file extension also going to correct the latter by right clicking on the element on which you intend to intervene, then clicking on the item Get information attached to the menu that is shown to you and modifying, as I have just indicated, the text field placed under the heading Name and extension: of the window that is shown to you. Finally, simply close the window to confirm the changes made.

Transform the File Extension

As I already mentioned at the beginning of the guide, if instead you are interested in finding out how to rename the file extension by going to transform its type, you must resort to the use of special programs and online services that act as converters and therefore allow you to convert the current format in the desired one.

For the vast majority of needs, an online tool such as Fileminx however, it should be more than enough. It is in fact an exceptional free Web service that allows you to convert any type of file into other types of files without installing any program on your computer. Using it, you will be able to transform any Word document into PDF or ODT file, any image to BMP, GIF, PNG or icon, any WMA or AAC file to MP3 and all major video file formats among them. It can be used on any operating system and from any web browser

To use it, connect to the Internet site of the service via the link I have provided you a little while ago and click on the button first Shop by Department o Choose file to select the file you want to convert (and therefore to which you want to change extension) and then on Continue to upload it online. Note that the source file must have a maximum weight of 50 MB.

Then select the file format you want to obtain by clicking on the button for the desired extension and wait for the conversion to be completed. When finished, click on the name of the file with the new extension that appears in the center of the screen and you can download it to your computer.

If Fileminx does not satisfy your needs, you can rename the file extension by converting the elements on which it is your intention to act by contacting the programs and online services used for the purpose in question that I reported to you in my guides on how to convert files to Free PDF, how to convert audio files and how to convert video files. I recommend, at least take a look!