1. First, find and install CAJViewer HD in Apple's mobile phone.

2. Import the file to be read into the mobile phone;

3. After importing the file, click the program "File Almighty King" on the mobile phone;

4. Click to open the transmitted folder;

5. Long press the file to be viewed, and then click the "Open with" option;

6. Select Open in "CAJViewer" to view CAJ files.

Android phone:

1. Search for cajviewer in the browser.

2. Click Download Now. In the download window that pops up, select Normal Download. Select the downloaded directory, and then click Download Now.

3. After downloading and installing, click on the mobile phone desktop to open cajviewer.

4. After opening cajviewer, find more functions in the lower left corner, and click this function. Find the caj file in your mobile phone and open it for reading.