If you come across a file with a strange extension, there are a couple of ways to identify which program opens that file. The most common file types that people need to open are listed below, but if it’s not in this list, check the online lookup sites that will let you search for file extensions. ..

Online File Extension Lookup

The easiest way to determine the program associated with a file type is to use an online database of file extensions. There are a couple of sites with thousands of entries, so unless someone made up their own file extension, you should be able to find it.

FileInfo

File extension: NRG

Nero is a popular CD/DVD burning software that can be used to create ISO files of your CDs and DVDs. This site provides helpful information about how to convert NRG files into standard ISO files using a program called Nrg2Iso. ..

The FileInfo extension can help you determine which programs can open a file with a specific file extension. This information is mostly useful to people who are looking to find out which files can be opened by certain programs.

FileExt

I don’t like FileExt because it has a lot of ads mixed in with the content to try and confuse you so that you install software to speed up your pc or scan for registry errors. Just avoid all of those links. To search for a file extension, just use the Google Custom search box at the top of the site.

Nero is a program that can be used to create CD-images. ..

NRG files are typically just called “NRG” and FileExt doesn’t give much more info beyond that. So, if you’re looking for more information about a NRG file, you’ll want to check out FileExt.

How to Open Dat Files

There are a few ways to open .DAT files, but the best way is probably using a software program like Microsoft Excel or Adobe Photoshop.

How to Open ODT File

I have been using an ODT file to store my work documents for the past few months. It’s a really easy way to keep track of my work because you can open it directly in Microsoft Word if you have that installed.

If you’re not using Office on a PC, you can also open a document in TextEdit or LibreOffice.

How to Open a RAR file

There are many free programs that can open RAR files, such as WinRAR. However, if you want to compress files using RAR, you should purchase a program like WinRAR. ..

7-Zip is my favorite file archiver and it will open and extract RAR files just fine. If you have a password protected RAR file, you can read my previous post on cracking password protected RAR files.

How to Open PRN file

When you print a document from your computer, Windows saves the document as a PRN file. This file contains all the information about the print job, such as what to print, where to send the print job, and what type of paper to use. Normally, this file is created automatically in the background before it is sent to the printer. ..

Since the PRN file is actually the instruction set for the printer, it will contain a lot of extra garbage data that you won’t understand. It’s almost impossible to open it in Word, Notepad, etc if you try. You can, however, use a PostScript viewer like GSView to view the file correctly. Normally, however, if someone was intending to send the file to your electronically, you would want them to print it out to a PDF writer, etc as the “Print to file” option is not meant for humans to read!

How to Open MPP file

An MPP file is a Microsoft Project file. It is used to store and manage project information. There are a couple of free and commercial programs that you can use to open an MPP file.

There are a number of free and paid apps available to open Microsoft Projects files. Some of the free options include FileZilla, WinZip, and 7-Zip. Paid options include Microsoft Office 365 and Google Drive. ..

How to Open PSF file

The PSF file extension is most likely a Photoshop Proof Setup or PhotoStudio Graphic file. It can also be from Microsoft’s Picture It! software, which creates slideshows of pictures. ..

The first way to try an open it would be to use the Picture It! viewer software or try to use Adobe Photoshop. If you don’t have Photoshop, you can try a free photo viewer like XnView.

If that doesn’t work, try renaming the file extension to .JPG and then opening it. Some people have said this method works for opening PSF files. ..

If you have a PhotoStudio file from Arcsoft, you can open it with this software. The trial version is available for download, so you don’t have to pay for it. ..

How to Open MDI file

Microsoft Document Imaging is a tool that helps you print documents in electronic format. This can be useful if you want to send them to someone else for viewing.

If you are having trouble opening a file type that you know is supported by your software, there are a few things you can do to try and fix the issue. First, make sure that the file type is installed and enabled on your computer. If Office is not installed on your computer, you can download and install it from Microsoft’s website. Additionally, if Office 2007 is not installed on your computer, you can download and install the Document Imaging feature from Microsoft’s website. ..

-Go to the Google Play Store -Search for “Nova Launcher” -Install it You can install Nova Launcher by following these steps: -Go to the Google Play Store -Search for “Nova Launcher” -Install it. ..

You can now open MDI files with Office 2007 in Windows XP or Windows Vista.

How to Open VSD file

A VSD file is a Microsoft Visio drawing. To view the drawing, you must have Microsoft Visio installed on your computer. If you don’t have it, there are several free Visio viewers that are available for free.

Visio 2010 is a newer version of the software, so if you have a Visio document created in one of those older versions, you can view it in Visio 2010. ..

How to Open PUB file

Microsoft Publisher is a proprietary software program that can be used to create and publish documents. If you don’t have Publisher installed on your computer, you can try to convert the file into another format, such as PDF, etc.

Zamzar.com is a great website that can help you convert files from different formats, including Microsoft Publisher files. Unfortunately, there are no viewers or plugins available for viewing these files, so you’ll have to convert them to PDF or tell the person to save it out in a different format. ..

There are many other types of files that I have not mentioned here, so check the websites mentioned above for more info on those. If you have any questions, post a comment. Enjoy!