Opening an SDP File

The SDP file type is primarily associated with VLC media player.

SDP	File extension: SDP
	File type:	Session Description Protocol file

What is an SDP file?

SDP files mostly belong to VLC media player by VideoLAN. SDP files are informational files created through media broadcasting programs such as QuickTime Player, an extensible multimedia framework created by Apple. QuickTime Player is capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity.

Main Usage: The SDP files contain the format, timing, and authorship of the streamed media that is utilized by the software. Furthermore, these files may be created by programs like Sorenson Broadcaster or PlaylistBroadcaster for live streaming media or for prerecorded media respectively. The SDP file type resides on a server and is thus not accessible through the machine's file directory; only through the designated program.
Alternatives: In addition to being utilized by QuickTime Player, SDP files can also be used as presentation files originally created by StarOffice, a proprietary office suite. However, this program was soon discontinued and replaced with Apache OpenOffice, an open-source office productivity software suite. The SDP file saves a series of slides along with their layouts and added objects, often including a master or title slide and content slides as well.

How to open an SDP file

You need a suitable software like VLC media player to open an SDP 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 SDP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SDP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SDP File Viewer

Choose your .sdp file to play

or drag and drop it here

Online File Viewer

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How to convert an SDP file to JPG, PDF, HTML, DOC, ...

You can convert SDP files using our online SDP file viewer (powered by Convert.Guru):

Just click the "Choose your .sdp file to play" button on this page.
After your file is opened in browser,
click "Save as..." in the menu.
Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert SDP files:

VLC media player by VideoLAN
See the previous paragraphs to learn more about the main application. SDP files are often referred to as VLC media player data files because this type of file is primarily created or used by this software.
Impress (presentation) by The Document Foundation
Impress is the presentation application in the LibreOffice suite of productivity software. It can open SDP files. SDP is the format of a presentation created using StarOffice. This file format is classified as Page Layout. Related links: Impress on Wikipedia, SDP Files in LibreOffice Documentation, LibreOffice Repository
Impress (presentation) by Apache
Impress is the presentation application in the OpenOffice suite of productivity software. OpenOffice is open-source and was previously developed by Oracle, which donated it to Apache. Impress can open SDP files. SDP is the format of a presentation created using StarOffice. This file format is classified as Page Layout. Related links: Impress on Wikipedia, OpenOffice Supported File Extensions Manual, SDP Files in OpenOffice User Guide, Impress in OpenOffice Wiki, OpenOffice Repository
QuickTime (Session Description Protocol file) by Apple
QuickTime is a media player developed by Apple. A SDP Session Description Protocol file in QuickTime stores information about the parameters of a broadcast. This file format is classified as Data. Related links: QuickTime on Wikipedia, QuickTime Download Page, SDP File Description, SDP Files Mentioned in QuickTime Streaming Server Manual, Video Tutorial for Broadcasting Using SDP Files in QuickTime
RealPlayer (Session Description Protocol file) by RealNetworks
RealPlayer is a media player developed by RealNetworks.A SDP Session Description Protocol file is associated with a scalable multicast in RealPlayer. It stores information about the parameters of a broadcast. This file format is classified as Data. Related links: RealPlayer on Wikipedia, Multicasting Guide Mentioning SDP Files in RealPlayer, SDP Format Mentioned in RealPlayer Support
Smart Diary Suite (planner file) by Programming Sunrise
Smart Diary Suite is a diary software from Programming Sunrise that acts as a personal organizer and journal. The SDP extension is associated with a Smart Diary Suite planner file. This file format is classified as Data. Related links: Smart Diary Suite on CNET Download, How to Create a New Diary Entry in Smart Diary Suite
StarOffice (presentation) by Oracle
StarOffice is a discontinued office productivity suite originally developed by Star Division, then by Sun Microsystems, and finally by Oracle. It formed the basis for the open-source productivity suite OpenOffice. SDP is the format of a presentation created using StarOffice. This file format is classified as Page Layout. Related links: StarOffice on Wikipedia, StarOffice User's Manual, SDP Files in OpenOffice Documentation, StarOffice User Portal, StarOffice Demo
Storyboard (Storyboard image) by IBM
Storyboard is a discontinued graphics editing software which allows creating slideshow presentations. It was first released by IBM in 1986. The SDP extension is associated with an image file created using Storyboard. This file format is classified as Raster Image. Related links: Storyboard Plus on Wikipedia, Storyboard on WinWorld, Download Storyboard Manual, Storyboard Mentioned in PC World (1990)

SDP file format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. The file format can be deduced from the file extension and the signature. File extension, signature and file format must match; otherwise errors will occur when the file is opened. If there are problems opening a file, you must first determine the file format used. Our analysis of the SDP files produces the following result:

SDP is not a commonly used file extension and includes different formats for different programs. The two most popular formats are as follows:

25% of all SDP files are Session Description Protocol files. The contents of these files can even be read by a human. The file size is in the range of 74 bytes to 700 bytes. The file type is relatively new. Several words can almost always be found in the files, e.g. rtpmap, video and AVP 96. The file name stream.sdp or test.sdp is characteristic of these files. Files like these are sometimes connected to video.
8% of all SDP files start with the magic bytes 00 02, which are always the first bytes of this file format. If you open these files in a text editor, you can view and read the content yourself. A typical file size is 14 KB.

The remaining 67% of all SDP files are files with no common format, the following 4 formats can be found: ZIP. These files are often connected to wave, shaderpackage, display, media or show. If you want to find out what your SDP file contains, drag and drop it onto this page.

Technical Data for SDP File Extension

File classification:

Data

Related files:

sdpc, spd, sdb, sdv, stp, txt, tad, zip, pdf, zab, ttml, stream

Mime type:

application/sdp, application/vnd.stardivision.calc

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: QuickTime.sdp, FileType: Session Description Protocol, AppName: QuickTime Player
EXEFile: QuickTimePlayer.exe

ProgramID: QuickTime.sdp, FileType: Session Description Protocol, AppName: QuickTime Player Application
EXEFile: QuickTimePlayer.exe

ProgramID: RealPlayer.SDP.6, FileType: Scalable Multicast, AppName: RealOne Enterprise Desktop

ProgramID: RealPlayer.SDP.6, FileType: Scalable Multicast, AppName: RealOne Player
EXEFile: RealPlay.exe

ProgramID: RealPlayer.SDP.6, FileType: Scalable Multicast, AppName: RealPlayer
EXEFile: RealPlay.exe

ProgramID: soffice.StarStorageDocument.5, AppName: OpenOffice.org 1.0.1

ProgramID: QuickTime.sdp
EXEFile: %ProgramFiles%\QUICKT~1\QuickTimePlayer.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealOne Player\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe /m

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe /m application/sdp %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\RealOne Player\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\RealPlayer\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: C:\Documents and Settings\All Users\Documents\RealPlay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: C:\Documents and Settings\Administrator\My Documents\RealPlay.exe %1

ProgramID: NovaDevelopment.ScrapbookFactory.DecorativePapers
EXEFile: %ProgramFiles%\Nova Development\Scrapbook Factory\scrapbk.exe %1

ProgramID: QuickTime.sdp
EXEFile: %ProgramFiles%\QuickTime\QuickTimePlayer.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealPlayer Enterprise\realplay.exe %1

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Real\RealOne Enterprise Desktop\realplay.exe %1

ProgramID: soffice.StarStorageDocument.5
EXEFile: %ProgramFiles%\OpenOffice.org1.0\program\soffice.exe %1

ProgramID: QuickTime.sdp
EXEFile: %ProgramFiles%\Media\Video\QuickTime\QuickTimePlayer.exe %1

ProgramID: mplayerc.sdp
EXEFile: %ProgramFiles%\StormPlayer\mplayerc.exe

ProgramID: mplayerc.sdp
EXEFile: %ProgramFiles%\Ringz Studio\Storm Codec\mplayerc.exe

ProgramID: IdeaSoft.ScrapbooksPlus.DecorativePapers
EXEFile: %ProgramFiles%\IdeaSoft\Scrapbooks Plus\scrapbk.exe

ProgramID: QuickTime.sdp
EXEFile: %ProgramFiles%\VistaCodecPack\QT\QuickTimePlayer.exe

ProgramID: mpcstar.sdp
EXEFile: %ProgramFiles%\MpcStar\mpcstar.exe

ProgramID: NovaDevelopment.ScrapbookFactory.DecorativePapers
EXEFile: %ProgramFiles%\Ideasoft\Scrapbooks Plus\scrapbk.exe

ProgramID: NovaDevelopment.ScrapbookFactory.DecorativePapers
EXEFile: %ProgramFiles%\SCRAPBOOK FACTORY DELUX\scrapbk.exe

ProgramID: RealPlayer.SDP.6
EXEFile: %ProgramFiles%\Dhamu\Download\RealPlay.exe

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an sdp Session Description Protocol file is a special file format by VideoLAN and should only be edited and saved with the appropriate software.

How to solve problems with SDP files

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