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

We collected the information you should know about the .one filename on this page. If you were sent a(n) .one 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

.one - Microsoft OneNote Document

The ONE file is a Document file, which is connected to the Microsoft OneNote Document according to our registry. With the adequate settings, the Microsoft OneNote Document (.one) files can be opened or converted with the help of Microsoft Office OneNote.

Format description:
ONE format
Category:
Document
Application:
Microsoft Office OneNote
Mime-type:
application/onenote
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.onepkg
Microsoft OneNote Package
.onetmp
Microsoft OneNote Temporary File
.onetoc
Microsoft OneNote Table of Contents

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

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

If the program necessary for opening the .one file is installed properly on your computer, then the quickest and simplest way to open the .one 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 .one file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .one extension

The .one 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 .one files.

obe, ond, pne

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

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

.obe
Objeck Executable File
.ond
Lotus Notes Database
.pne
ArchiCAD Educational Document

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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