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Open 1SP file

1SP files: what are they and how do I open them?

1sp file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

Microsoft OneNote Mobile uses the 1sp file type. Incompatible with desktop versions

Files with 1sp file extension are documents created in OneNote Mobile app. Unfortunately, this document is not compatible with classic Windows version.

Further details:

The 1sp file extension is mainly associated with the Microsoft OneNote Mobile. and used for the default document format of the program.

OneNote Mobile document file is not compatible with Microsoft OneNote for desktop computers.

Open file with:

Microsoft OneNote Mobile

A note software for Windows Phone

Microsoft One Note Mobile for iPhone

A note making app for iOS

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.1sp" has the file extension "1sp". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.