MSI Files: What It Is and How to Open It

If you've received MSI files and can't open them for some reason, and you want to know what it is and what to do about it, keep on reading!

MSI files are typically a type of binary file used by certain software, and many software packages can share a common file extension. In the case of files with the MSI extension, popular software packages such as Windows Installer File, Cerius2, and TruNEST Nesting Data can all open it.


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How to Open Your MSI File

The easiest way to open file extension MSI is to try downloading some of the most popular software that uses MSI extension. The most well-known programs associated with MSI files include Windows Installer File, Cerius2, and TruNEST Nesting Data.

Computer Files

As you may already know, if you have Windows Installer File, Cerius2, or TruNEST Nesting Data, you can simply double-click on your MSI and it should open up. But what if your software does not open the file?

First, try right-clicking on the file and selecting "Open With..." and select Windows Installer File, Cerius2, or TruNEST Nesting Data from the dropdown list. If that didn't work, go into the file associations settings of Windows, and set Windows Installer File, Cerius2, or TruNEST Nesting Data to open MSI files by default.

Please note that MSI file extensions may not be limited to Windows Installer File, Cerius2, or TruNEST Nesting Data only. You could always do a Google search to find other software that uses MSI files and download that to try to open your file.

Still no luck? Get in touch with the developer of the software title to see if they can be of assistance. If your software does not have an identified developer in the chart below, a quick web search of the software title should give you some clues on who to contact.

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Software Developer
Windows Installer File Microsoft Corporation
Cerius2 Accelrys Software Inc.
TruNEST Nesting Data Magestic Systems Inc.


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