Opening 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 OPML files.
What is an OPML file?
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.
The OPML file format was initially created by Radio Userland. It was developed to be the native file format for outliner applications. However, since its inception other programs have adapted the file format for other uses.
OPML files are commonly used to 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The original OPML file format has now been replaced by the more versatile OPML 2.0 file format.
Software that will open, convert or fix OPML files
These apps are known to open certain types of OPML files. Since many different programs may use OPML files for different purposes, you may need to try a few of the apps to open your specific OPML file.
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