Not sure how. I am limited to 7 characters now. See this info from another thread.
Each field in your company data file has a maximum number of characters that can be entered. Here's the maximum number of characters you can enter in each field.
| Field | Maximum characters |
| Account Name | 31 |
| Account Numbers | 7 |
| Amount | 20 |
| Custom Fields (items) | 30 |
