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- Open HandBrake, click the Source button and choose your video file. Then choose a destination for your output file and file, and be sure the output file format is MP4, and leave everything else as is.
- Now click on the Subtitles tab on the center and click Add External SRT.... Pick the SRT file and it will show up in the list box below
- You can add more than one subtitle file if you need, i.e. for multiple languages.
- Last, click on Start to start encoding your subtitles.
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