OTL File Extension

The OTL file extension was created by Fookes Software and is also known as the NoteTab Outline File. OTL is classified as a Data Files and The format of this file type has not been determined yet. You can open OTL files in Microsoft Notepad program.

NoteTab Outline File Type

NoteTab Outline File Type
Extension .otl
Developer Fookes Software
Popularity 5.0 (11 Votes)
Mime Type mime-type/not.available
Default Program Microsoft Notepad
Category Data Files
Format Not Available
Updated 6/1/2025

What is a OTL File Type?

Free Online OTL Tools & Apps

Access powerful and secure free online OTL tools to convert, view, edit, merge, split, and compare OTL files — all without installing any software. Our tools support the .OTL (NoteTab Outline File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your OTL files directly from your device with ease.

OTL Files Common Issues

There are few common issues with the NoteTab Outline File .OTL File Extensions while opening the .OTL files on Windows and MacOs, we have solution to those issues such as:

Can't Open OTL Files?

  1. You must have supported software programs installed for NoteTab Outline File on your system such as Microsoft Notepad.
  2. Associate default Microsoft Microsoft Notepad program for *.otl (NoteTab Outline File) files.


All Platform Software Programs for OTL File Extension

List of all softwares that can open the OTL files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open OTL File on Windows

Software License Developer
Microsoft Notepad image. Microsoft Notepad 1903 for Windows Bundled Microsoft
Notepad++ image. Notepad++ 6 for Windows Freeware Notepad Plus Plus

MacOs logo image - FileProInfo.comOpen OTL File on Mac OS

Software License Developer

Linux logo image - FileProInfo.comOpen OTL file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen OTL file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen OTL file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen OTL file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

OTL file extension icon image.About OTL - NoteTab Outline File

FileProInfo is to help you understand about the NoteTab Outline File with *.OTL suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for OTL. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for OTL, please let us know.

Updated 6/1/2025