This is probably because there is no OLE editor registered against the type of file you were trying to open.

This is probably because there is no OLE editor registered against the type of file you were trying to open.

Reason:
This is probably because there is no OLE editor registered against the type of file you were trying to open.
Class ID not found in registry result = -2147221018

右击文件
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原文地址：https://www.cnblogs.com/haimishasha/p/5700135.html