How to open OPML files
Did your computer fail to open an OPML file? We explain what OPML files are and recommend software that we know can open or convert your files.
What is an OPML file?
OPML files are Outline Processor Markup Language files, which you can read more about below.
The OPML file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So an OPML opener may not be able to open all kinds of OPML files. In this case, though, we only know of one specific use.
Outline Processor Markup Language
OPML is an acronym for Outline Processor Markup Language. The OPML file format is used to exchange information between applications that run on different operating systems. The OPML format is based on an XML format developed for outlines.
Radio Userland initially created the OPML file format. It was developed to be the native file format for outliner applications. However, since its inception, other programs have adopted the file format for other uses.
OPML files are commonly used to exchange RSS subscription lists between different feed aggregators.
The original OPML file format has now been replaced by the more versatile OPML 2.0 file format.
OPML file openers, viewers, etc.
These apps are known to open certain types of OPML files. Remember, different programs may use OPML files for different purposes, so you may need to try out a few of them to be able to open your specific file.
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