At the top level of a CM93 directory, you will find an empty file with a .EXD extension, such as 20110803.EXD . The format of this filename is YYYYMMDD.EXD , and it indicates the version or edition date of the chart release. For example, a file named 20110803.EXD indicates a chart set released on August 3, 2011.
Q: Can I use CM93 V2 charts on multiple devices? A: Yes, you can use CM93 V2 charts on multiple devices, but ensure that each device is compatible with the charts and that you comply with any licensing agreements.
Verify that the final path looks similar to this: C:\Charts\CM93_v2\ cm93 v2 charts download install
Note: I am not providing direct links. Search responsibly.
The charts you may find online are not authorized for navigation and may violate copyrights. At the top level of a CM93 directory,
After adding the directory:
The dataset typically comes as a folder named CM93_2012 or similar, containing many subfolders (e.g., 00300000, 00400000) and an CM93Dictionary.xml file. A legitimate source might be an old CD-ROM or a second-hand chart plotter's SD card. Q: Can I use CM93 V2 charts on multiple devices
: A complete, worldwide CM93 v2 chart set typically contains a master folder with numerous subfolders numbered 03000000 through 15000000 . The total folder size should be roughly 1.1 GB to 1.4 GB .
What are you using? (Windows, Mac, Linux, or Android?) What version of OpenCPN do you have installed? Are you getting any specific error messages during setup?
: Always run an antivirus scan on the downloaded compressed file (.zip or .rar) before extracting it to your navigation computer. How to Install CM93 v2 Charts in OpenCPN