What is a invalid file format

The ITunes maybe be in MP4 file format.
MP3 players can only play music files in mp3 file format.
You can download mp3 music files from the Internet to your computer and then copy them to your MP3 player using the USB cable.
For your CD collection, you need to convert your CDs to mp3 music files onto your computer or download them from the Internet and then copy them to your MP3 player after you have connected the USB cable to the MP3 player and the computer.
You can do this using Windows Media player and Rip the CDs - Media Player will create a MP3 music file for each music track.
Click on this link for instruction on converting music files to mp3 file format :- http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format. You can download mp3 music files from the Internet to your computer and then copy them to your MP3 player using the USB cable. For your CD collection, you need to convert your CDs to mp3 music files onto your computer or download them from the Internet and then copy them to your MP3 player after you have connected the USB cable to the MP3 player and the computer.
You can do this using Windows Media player and Rip the CDs - Media Player will create a MP3 music file for each music track. Click on this link for instruction on converting music files to mp3 file format :- http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format.You can download mp3 music files from the Internet toyour computer and then copy them to your MP3 player using the USB cable.For your CD collection, you need to convert your CDs tomp3 music files onto your computer or download them from the Internet and thencopy them to your MP3 player after you have connected the USB cable tothe MP3 player and the computer.
You can do this using Windows Media player and Rip the CDs - Media Player willcreate a MP3 music file for each music track.Click on this link for instruction on converting musicfiles to mp3 file format :- http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format. You need to convert your CDs to mp3 music files onto yourcomputer or download them from the Internet and then copy them to your MP3player.
You can do this using Windows Media player and Rip the CDs - Media Player willcreate a MP3 music file for each music track.
Click on this link for instruction on converting music files to mp3 file format:-
http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format. You need to convert your CDs to mp3 music files onto yourcomputer or download them from the Internet and then copy them to your MP3player.
You can do this using Windows Media player and Rip the CDs - Media Player willcreate a MP3 music file for each music track.
Click on this link for instruction on converting music files to mp3 file format:- http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format. You need to convert your CDs to mp3 music files onto yourcomputer or download them from the Internet and then copy them to your MP3player.
You can do this using Windows Media player and Rip the CDs - Media Player willcreate a MP3 music file for each music track.
Click on this link for instruction on converting music files to mp3 file format:-
http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

MP3 players can only play music files in mp3 file format. You need to convert your CDs to mp3 music files onto yourcomputer or download them from the Internet and then copy them to your MP3player.
You can do this using Windows Media player and Rip the CDs - Media Player willcreate a MP3 music file for each music track.
Click on this link for instruction on converting music files to mp3 file format:-
http://www.fixya.com/support/r5798418-creating_transferring_mp3_music_files

Some of the mpzik songs are in protected WMA format - the Coby player is so old that it doesn't recognize any DRM scheme past Windows 9 DRM. If you plan on continuing to use Mpzik, your Coby will only recognize the songs that are in mp3 format (or the rare few that have Windows 9 DRM protection). I would suggest using a music service that only provides songs in mp3 format.

Good luck!

-Tha Mp3 Doctor

Connect your player to the USB port on your computer using the USB connector on the Mix Max. A 'MIX-MAX' window will appear in your My Computer folder which is the player's internal memory. To add more files and songs to your player simply drag and drop MP3 or WMA files from anywhere on your computer into the 'MIX-MAX' window.

For Windows XP, you can utilize Windows Media Player 10 software to convert music on an audio CD into MP3 or WMA format as follows:

Open the Windows Media Player 10 Browser, then click on the 'Rip' icon on the top tool bar. Insert a Music CD into the CD-ROM drive of your computer.
Click on the 'Tools' menu option at the top menu bar, then click on 'Options'; the Option setting menu will appear. Click on Rip Music and set the Rip music to the desired location on the newly ripped music (MP3 format or Windows Media Audio format). Adjust the audio quality as desired. When finished, click 'OK' to confirm the settings.
Click on the 'Rip Music' icon to start ripping the music to your computer.
When the music tracks are ripped; connect the player to your computer. Open the 'MIX-MAX' window and open the ripped music location window.
To add the transferred/ripped music file/songs to your player simply drag and drop the MP3 and/or WMA files into the 'MIX-MAX' window.
When the files are finished loading into the player, follow the 'Safely Remove Hardware' procedure as shown below.
Note: For Windows 98SE, Windows ME, and Windows 2000, please use the Windows Media Player 9 to convert music on an audio CD into MP3 or WMA format.

Downloading WMA files with DRM using Windows Media Player 10 (for Windows XP)

To download WMA files with DRM, follow the procedure described below using the previously installed Windows Media Player 10. Before beginning the procedure please turn the unit on and connect the unit to the computer as previously described.

Open the 'Windows Media Player Browser 10' and click on 'Sync'.
Click on the 'Sync List' pull-down menu to locate the music files you wish to download. Then make sure to click the box next to the files.
Select the Portable Device that you want to copy to from the right side drop-down menu. Click 'Start Sync' to start downloading the WMA file(s) with DRM to the Portable Device.
After finished downloading all the desired files to your unit, follow the 'Safely Remove Hardware' procedure as shown below.
Note: For Windows 98SE, Windows ME, and Windows 2000, please use the Windows Media Player 9 to download WMA files with DRM to your player.