If there is not enough onboard memory on your Palm device and it supports external memory cards, you can install all or some of the dictionaries on external memory cards.
Important! You cannot install dictionaries on external memory cards under Palm OS 5.0.
To install dictionaries on an external memory card:
Note: You can install dictionaries on several memory cards
Dictionaries stored on external memory cards are used together with the dictionaries stored in onboard memory and can be enabled or disabled
Connecting and Disconnecting External Memory Cards with Dictionaries