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How do I index, shorten, trim, separate, split, or truncate my WMV/WMA/ASF files?

April 26, 2017ASF files index separate shorten Split trim truncate wma wmv

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How do I index, shorten, trim, separate, split, or truncate my WMV/WMA/ASF files?

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In Windows Media 9 Series, the “Windows Media File Editor” that’s part of the Windows Media Encoder install will do this, TMK. Or you can losslessly join WMA/WMV/ASF files using WMVAppend, which is part of the Format SDK. The Windows Media Resource Kit includes the Advanced Script Indexer (asi.exe), which will index them, or you can temporarily rename them to “.asf” so that the old ASF Indexer (asfchop.exe or asfindxr.exe) will recognize them. ASFTools should also work (also repairs ASFs, joins, cuts, and indexes them). You can also use Windows Movie Maker for this.