PLANET CS-2001 - Manual (Page 522)

511
Step 9. Compact the Ham Mail folder for the easy of importing normal email
messages onto CS-2001 for ham filtering training:
 Click the Ham Mail folder.
（Figure 13-59）
 In the upper left corner, click File, point to Folder, and then click
Compact. （Figure 13-60）
Figure 13-59 Selecting the Ham Mail Folder