Opening OTP Files

The OTP file type is primarily associated with LibreOffice Impress.

OTPFile Extension OTP
File extension: OTP
File type:  template file

What is an OTP file

OTP files mostly belong to LibreOffice Impress. OTP files serve two main purposes. They are primarily used as OpenDocument Presentation Template files that work with presentation programs such as LibreOffice Impress or Apache OpenOffice Impress. These files are actually ZIP archives that hold XML data defining slide layouts, themes, and formatting rules.
Usage Cases:
  • Presentation Template: The file provides a preset design to build new slide presentations. It contains preset styles, backgrounds, and formatting details. For more information, visit the LibreOffice website.
  • One-Time Password: In some cases, an OTP file may store a temporary authentication code used once for security processes. This format is part of systems like OpenOTP.
  • FilExt.com tip: To view a presentation template OTP file, open it with a compatible application like LibreOffice Impress. If the file is used for one-time password data, it should be handled by that specific authentication software.

    How do you open OTP files?

    You need a suitable software like LibreOffice Impress to open an OTP file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OTP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OTP file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online OTP File Viewer

    Choose your .otp file to view

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    How to convert OTP files to PDF, HTML, DOCX, JPG, ...

    You can convert OTP files using our online OTP file viewer (powered by Convert.Guru):
    1. To do this, click the button "Choose your .otp file to view" on this page.
    2. Your OTP file will then be displayed in the browser.
    3. Now click on "Save as..." at the top of the page.
    4. Select the office format (e.g. PDF, DOCX, XLSX, PPTX, ODF, HTML, JPG, ...) you want.
    5. Download the converted file.

    Programs that open and convert OTP files:

    1. LibreOffice Impress
      See the previous paragraphs to learn more about the main application. OTP files are often referred to as LibreOffice Impress page layouts because this type of file is primarily created or used by this software.
    2. OpenOffice/StarOffice (OpenDocument (Ver 2) Presentation Template) by Sun Microsystems, Inc.
      This file format is part of the Open Document Format for Office Applications (OpenDocument) 1.0 specification. This OASIS format is expected to become an industry standard for sharing documents. It is being adopted by the OpenOffice/StarOffice version 2 software suite but may appear in other products as well. The Mime types used with this association are: application/vnd.oasis.opendocument.presentation-template, application/x-vnd.oasis.opendocument.presentation-template. This file format is classified as XML. Related links: OASIS Detailed File Format Information, OpenOffice.org 2.0 Office Suite New Features
    3. Origin (Graphic Template File) by OriginLab Corporation
      Origin is scientific graphing and data analysis software.
    4. Top Secret Crypto Gold (One Time Pad Key File) by TAN$TAAFL Software Company
      Top Secret Crypto Gold is a communications and file encryption program for Windows. It makes it easy for you to chat, keep journals, and write, send, and receive encrypted E-mail and files over the Internet.

    Technical Data for OTP File Extension

    File classification:
    Page Layout
    Related files:
    Mime type:
    application/vnd.oasis.opendocument.presentation-template, application/x-vnd.oasis.opendocument.presentation-template

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.74\program\soffice.exe -o %1

    ProgramID: TPairFileType
    EXEFile: %ProgramFiles%\SQIRLZ~1\SQIRLZ~1.EXE /dde

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.95\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.104\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.100\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.79\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.125\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 2.0\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 1.9.118\program\soffice.exe -o %1

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\Sun\StarOffice 8\program\soffice.exe -o

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 2.1\program\soffice.exe -o

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\OpenOffice.org 2.2\program\soffice.exe -o

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\BrOffice.org 2.3\program\soffice.exe -o

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\openoffice aechivos\OpenOffice.org 3\program\soffice.exe -o

    ProgramID: opendocument.ImpressTemplate.1
    EXEFile: %ProgramFiles%\Sun\StarSuite 9\program\soffice.exe -o


    an otp template file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with OTP files

    • Associate the OTP file extension with the correct application.
    • Update your software that should actually open template files. Because only the current version supports the latest OTP file format. Search, therefore, e.g. on the manufacturer website after an available LibreOffice Impress update.
    • To make sure that your OTP file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .OTP file online - secure, fast, and no downloads needed.
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