CDX Support

Customer Support (North America)

If you or your students experience any difficulties or technical issues, you are encouraged to contact our Customer Support Team. You can call our Customer Support Team at 1-844-273-7537. Here are the hours of operation for telephone support: 

  • Monday - Thursday: 8:00 a.m. to 8:00 p.m., U.S. Eastern Time
  • Friday: 8:00 a.m. to 4:00 p.m., U.S. Eastern Time
  • Saturday: Closed
  • Sunday: Closed
You can also send us an email to submit an issue with our Technical Support Team. Rest assured knowing that your online request will be handled just as quickly as those fielded over the phone. In fact, our online submission process is often more efficient and can allow for better tracking throughout the resolution process.

Customer Support (International)

If you reside within Asia, South East Asia, or Australia and need assistance, you may call our Customer Support and Client Assistance Team (Asia Pacific Region) at +61 7 3103 2321. For New Zealand, please use +64 4 889 3737.

Hours of operation for telephone support:

Monday- Friday
8:30 a.m. to 5:00 p.m
(Australian Eastern Time)

You can also send us an email to submit an issue with our locally-based Customer Support and Client Assistance Team.

System Requirements:

Your computer/mobile device should match one of the supported browser and operating system configurations.  CDX products may run on newer (or even slightly older) versions of these browsers, but a version is not considered fully supported until it is specified with an “X” in the matrix below.

System Requirements
Last updated May 21, 2015.

“+”  Means minimum version, tested to latest current version widely available.

*Applications currently operate correctly, but in an attenuated manner within small screen sizes. Additionally, the Navigate eReader is not compatible with mobile devices with screen sizes smaller than seven inches. Users on smaller screens cannot necessarily access all functionality.  Issue will be addressed in future release

**Excludes Kindle and Nook platforms.  Flash player used in offline ebook reader is not supported beyond Android 4.1.  Issue will be addressed in future release.

Get Help


Customer Support( North America)

If you or your students experience any difficulties or technical issues, call our Customer Support Team at 1-844-273-7537.


You can also send us an email to submit an issue with our Technical Support Team at any time. 


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