步骤如下：
1、首先启动flash，新建一个flash文件，所有的设置采用默认的就可以了。
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https://iknow-pic.cdn.bcebos.com/f7246b600c3387441eab5ddb5f0fd9f9d72aa02f"/>
2、执行文件-导入-导入到库命令，在打开的对话框中找到要导入的视频后，点击打开按钮，将视频导入到库中。
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https://iknow-pic.cdn.bcebos.com/a6efce1b9d16fdfa950eb449ba8f8c5494ee7b32"/>
3、进入导入视频对话框，在该对话框中选择第一项“在你的计算机上”，接着点击下一步。
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https://iknow-pic.cdn.bcebos.com/962bd40735fae6cdf5e6d9c601b30f2443a70fc2"/>
4、在部署里面选中在swf中嵌入视频并在时间轴上播放选项，接着点击下一步。
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https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a74a488f02df43ad4bd01302d6"/>
5、在嵌入选项卡中，设置符合类型为嵌入的视频，音频轨道选择集成，并勾选嵌入整个视频。
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https://iknow-pic.cdn.bcebos.com/a686c9177f3e6709a1af375835c79f3df9dc55ed"/>
6、在编码选项卡，选择flash-中等品质，并点击下一步，直至导入完成。
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https://iknow-pic.cdn.bcebos.com/562c11dfa9ec8a13b6e92547f903918fa1ecc0a2"/>
7、接着点击完成按钮，系统会显示flash视频编码进度，等待进度完成视频就导入进去了。接着将该文件保存就可以了，接着关闭flash。
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https://iknow-pic.cdn.bcebos.com/5882b2b7d0a20cf42d768c7878094b36adaf99b6"/>
8、启动flashcs5，新建一个文档，所有设置均采用默认设置就可以，同样执行文件-导入-导入外部库命令。
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https://iknow-pic.cdn.bcebos.com/96dda144ad345982ab57973502f431adcaef84b3"/>
9、打开对话框找到刚才我们保存过的文件，点击打开按钮，从外部的库拖拽视频到库中即可。
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https://iknow-pic.cdn.bcebos.com/a686c9177f3e6709ae3e385835c79f3df8dc555e"/>
10、这样视频就导入到flashcs5中了，就可以对其进行其他相应的操作了，就可以使用了。
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https://iknow-pic.cdn.bcebos.com/0dd7912397dda144bb3a1115bcb7d0a20cf48661"/>