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Informations about the NPO filename extension and the file formats associated with it

We collected the information you should know about the .npo filename on this page. If you were sent a(n) .npo file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.npo - Nonpareil Redundancy Summary Output

The NPO file is a Data file, which is connected to the Nonpareil Redundancy Summary Output according to our registry. With the adequate settings, the Nonpareil Redundancy Summary Output (.npo) files can be opened or converted with the help of Nonpareil.

Format description:
NPO format
Magic string:
- / -
Related links:
Related extensions:
Davis-Wilder Mann Format File
Folder Guard Password File
Intuit TurboTax Data
YRC Weblink Data Script
Molecular Simulations BIOGRAF Format File
SAP Transactionware GM POS Xpress Suspended Data

Important! Programs other than the ones listed above may also use the .npo file extension. Even harmful programs can create files with the .npo extension to store data in them. Always be careful with .npo files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .npo file can’t be opened on your computer?

If the program necessary for opening the .npo file is installed properly on your computer, then the quickest and simplest way to open the .npo file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .npo file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .npo extension

The .npo filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .npo files.

hpo, pno, npl, np, nlo, jpo, po, npp, npk, nop, mpo

Maybe you’re not even looking for the .npo file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .npo extension. It’s possible that the one you’re looking for is among them.

HippoDraw Canvas Document
GNU Gettext Portable Object
MikroTik Router OS Upgrade Package
JPO Data
TCMP Playlist
Multi-Picture Object

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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