How to easily open a TMP file extension on my Windows PC

What is a .tmp file?

Files with the TMP extension refer to temporary documents used by the operating system for various tasks. In most cases, these files come from Windows installations and operations.

One of the characteristics of this type of documents is that of they are usually deleted after a certain time after a computer restart. That said, it's fair to point out that a file with this extension is rarely of interest to the user. However, there is an option which is to recover unsaved TMP files in Photoshop in case you need them for a particular project.




In any case, files with estensione TMP they can belong to active downloads. That said, they could represent something useful or interesting, and while it's not the most common, it wouldn't hurt to try opening this type of document.

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How to easily open a TMP file extension on my Windows PC

Understanding the nature of files with this extension, it is fair to point out that a file in TMP it could be of any kind. That said, you need to know the source of the document to open it correctly.

In most cases, TMP are file of system, but they can also be text documents. Therefore, you can open them with Windows Notepad, although you can replace Notepad with another text editor in Windows. With the filename you can have a clue about the nature of the content to choose the right program.

Also, it is possible that files with the .tmp extension belong to a program or application, so you will not be able to open them. The nature of a TMP file will depend on what has been downloaded, as temporary files respond to download or installation files.




The truth is that in many circumstances a .tmp file cannot be opened because it is part of the a running application or some element with which the system is working. Either way, you can use the following applications to open these file types.

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Applications to open TMP files

In most cases, files in the TMP format respond to documents used by the operating system; therefore, they are rarely useful or interesting files to the user.

Even so, some basic applications can be used to find the nature of a specific file in TMP format. Try the following applications to open documents with the TMP extension.



  • Windows Image Viewer: in case you have a .tmp document and it is an image, the Windows Image Viewer might be the best option. This program is compatible with most image formats. When choosing this alternative, it is recommended that you update the Windows Image Viewer to take full advantage of this tool.
  • Media player: if you feel that the .tmp file you want to open is an audio file, you should try a media player provided by your operating system or one you see fit.
  • Block notes: many times the system temporary files correspond to texts. Therefore, using a word processor you should be able to open them. That said, we recommend Windows Basic Notepad, as it works wonderfully for this type of task.
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