File Extension Database

Open OPML File

The OPML Format and Extension file is an outline document written in OPML, which stands for Outline Processor Markup Language.

About OPML

OPML is an XML schema format originally developed by UserLand as a native file format for the schema application in its Radio UserLand product, which is a software package, which includes a client-side blogging, an RSS aggregator, an outliner and to scripting language.

It has since been adopted for other uses, the most common being the exchange of web font lists between web font aggregators.

In this case, the OPML file is used to exchange RSS web feed lists between web feed aggregators.

The OPML is also used for other general schema purposes.

The structure of an OPML file is as follows, with the following XML elements:

Version of OPML
Header, containing metadata that describes the content
Body, containing the content of the outline
Outline, containing one outline line

Software to open and work with an OPML file

Radio UserLand

How Can I Open OPML File on Windows

We researched and learned that the best way to open OPML file is to find a OPML file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a OPML file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open OPML file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as OPML file opener then try to search online for "OPML viewer", "application to open OPML file" or "open OPML file" queries in the search engine you like.
Install the application you found and check if it can open OPML file

How Can I Open OPML File on Mac OS

We recommend to find a OPML file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a OPML file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with OPML file.
If you know the Mac OS application which can work as OPML file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open OPML file in it.
If you don't know the application which can open OPML file then try to search for "OPML viewer", "application to open OPML file" or "read OPML file" queries in the online search engine you like.
Install the application you found and check if it can read OPML file

How Can I Open OPML File on Android

If you downloaded a OPML file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded OPML file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "OPML".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "OPML viewer", "OPML file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open OPML File on iPhone or iPad

To open OPML File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the OPML file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "OPML". This way you can find apps which can open OPML files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "OPML viewer" or "OPML file" online in your favorite search engine.

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