This guide is to demonstrate how to trim, crop, combine and convert all popular video formats to Zune WMV and MP4 step by step. If you want to convert DVD and edit DVD movie to Zune, you can refer to the guide here:
http://www.aimersoft.com/tutorial/dvd-to-zune-converter.html

It includes two parts:

• How to convert video to Zune?
• How to trim, crop, join and edit video for Zune?
  
  

The video formats Aimersoft Zune Video Converter supports are as follows:
AVI, Divx, XviD, WMV, MPEG, MPG, FLV, DAT, RM, RMVB, MOV, ASF, MP4, M4V

The audio formats supported by Aimersoft Zune Converter are:
MP3, M4A, WMA

Part 1: How to convert video to Zune?
Step1. Please download Aimersoft Zune Video Converter; you can free download it from here.
http://www.aimersoft.com/zune-video-converter.html

Step2. Install and run Aimersoft Zune Video Converter, click the “Add” button to import your video. Aimersoft Zune Video Converter supports batch conversion, so you can import multiple files at a time. If you experience any problems adding videos by directly clicking the “Add” button, you can click “File -> Add DirectShow files…” to add the video files you want to convert from your computer.

Step3. Then Click the “Format” drop-down list to select the format you prefer for each added file. If you don’t know what formats your device supports, you can just select the format according to the device name.

If you want to customize the output quality, click the “Settings” button to open the Settings panel, where you customize resolution, frame rate, video bit rate, audio bit rate, sample, etc. You also can create a settings profile and save it, and then you won’t have to do the same settings every time. Since Aimersoft Zune Video Converter supports batch conversion, you can use different profiles for each added video files to save your time. If you don’t want to do these settings, the default settings will just work perfectly.

After all things done, click “Start” to start conversion.

Put video on Zune
After finish conversion, plug in your Zune to computer via USB cable, then zune software will detect your Zune as a device. drag your converted video to Zune software and click 'Start to sync', then your video will be transfered to Zune. You can download the Zune software free from here to put movie on Zune
http://www.zune.net/en-us/meetzune/software.htm

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Part2. How to crop, edit, join and trim video to Zune?
Step1.If you want to cut the edges off your video, you can click the “Crop” button to open the crop panel. There is a frame in dashed line around the movie video; you can drag it to cut off the sides you don’t want. You can also type in values in the four Crop value boxes to crop your video more accurately.

Step2.Zune Video Converter allows you to trim your each video file so you can capture your favorite clips from your video files. After you click “trim” button, you can Preview your the selected video file in the Preview window and estimate what part of the movie you want to convert. Then enter the start time and the end time to the time box in the left side or drag the start/end time bar below the Preview window to set the clips you want to convert, then click “OK’ to start the conversion.

Step3. If you want to join several video files into one file, on the main interface, click the check box “Merge into one file”, and you will only get one output file instead of multiple files.

This Zune video converter provides rich video editing functions, you can click the “Effect” button and customize the brightness, saturation, contrast; volume, etc on the Effect panel. You can even apply special effects such as “Emboss”, “Negative”, “Old film” and “Gray” by selecting a special effect from its drop-down list. If you want to remove the original audio, you can convert your video with 0% volume.

Tips
Here are some tips which may help you to solve problems resulted from the conversion process and make your conversion more perfect

1. How to convert free limewire music and videos to MP4 formats for some MP4 players such as iPod, Zune, PSP?

Aimersoft MP4 Video Converter fully supports video or music downloaded from Limewire. For the detailed information, you can refer to this guide:
http://www.aimersoft.com/tutorial/limewire-to-ipod.html
After you download video from limewire, just load it into Aimersoft MP4 Video Converter and convert it to MP4. Then you can use iTunes or Zune software to sync the video to your portable device.

If you use iTunes to convert limewire video, the output video may have no sound, because iTunes cannot convert muxed video (muxed videos are video files whose audio and video are on the same track, and QuickTime or iTunes cannot properly process this kind of videos). You can learn more info about muxed video by visiting: http://docs.info.apple.com/article.html?artnum=302588
If you have problems converting muxed videos, you can try Aimersoft MP4 Video Converter, and it very well supports muxed videos.

2. How to download free YouTube video to MP4 for iPod, iPhone, PSP, Zune, etc ?

Video files downloaded from YouTube are stream videos (flv). You have to convert them to MP4 video to transfer them to your iPod, iPhone, PSP Zune and so on. If you don’t know how to download YouTube videos to your computer, you can refer to this guide:
http://www.aimersoft.com/tutorial/free-download-youtube-video.html