Types of OPML Files

Principal OPML Type

.OPML

File ID:	.opml
Category:	Outline Processor Markup Language File

An outline document written in Outline Processor Markup Language (OPML); It used for exchanging lists of web feed aggregators.

Created by:	The Omni Group
File Category:	Web Files
Registry Key:	HKEY_CLASSES_ROOT\.opml

Software Programs That Open The Outline Processor Markup Language File:

CS Odessa ConceptDraw MINDMAP by CS Odessa

Windows

Mac

OPML Editor by Open Source

Windows

Mac

Tkoutline by SourceForge

Windows

Mac

Optional Offer for FileViewPro by Solvusoft | EULA | Privacy Policy | Terms | Uninstall

OPML File Complications

Typical OPML Opening Challenges

CS Odessa ConceptDraw MINDMAP Removed

When you double-click your OPML file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". When this happens, it is commonly due to CS Odessa ConceptDraw MINDMAP missing in %%os%%. You won't be able to double-click to open your OPML because your OS doesn't know what to do with it.

Tip: If you have another software that you know opens OPML files, you can select it by hitting the "Show Apps" button.

CS Odessa ConceptDraw MINDMAP Requires Update

In other instances, your Outline Processor Markup Language File file version may not be supported by your version of CS Odessa ConceptDraw MINDMAP. If you do not have the proper version CS Odessa ConceptDraw MINDMAP (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is predominately due to having a Outline Processor Markup Language File file version that was created by a newer version of CS Odessa ConceptDraw MINDMAP than what you have installed on your PC.

Tip: Sometimes you can get a clue about the version of OPML file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).

Primarily, problems experienced when opening OPML files are due to having the incorrect version of CS Odessa ConceptDraw MINDMAP installed on your computer.

Other OPML File Opening Causes

Even with the correct version of CS Odessa ConceptDraw MINDMAP installed, you can still experience difficulties opening OPMLs. If you are still having problems opening OPML files, there may be other issues that are preventing you from opening these files. Problems unrelated to software:

• OPML file type Registry entries are wrong
• Accidental deletion of the description of the OPML file in the Windows registry
• Incomplete or bad installation of a software application associated with the OPML format
• Something has caused file corruption of your OPML
• OPML file integrity has been compromised by malware
• OPML-related hardware has device drivers that obsolete
• Your computer does not have the adequate system resources to open the Outline Processor Markup Language File format