otln文件怎么看，otln文件怎么打开？

.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

打开.otln文件

Mac OS

A Sharp Opal　

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Linux

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