.otln
文件类型:Opal Outline File
扩展名为.otln的文件是一个数据文件。文件说明:
Outline created by Opal, an outlining program for Mac OS X; creates hierarchical lists for organizing notes, projects, reports, ideas, etc.; Opal is the successor to Acta and has been completely rewritten for Mac OS X.More information is available at the Opal Product Page..otln
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来源:. otln文件