- Open the character you want to give FROM.
- Import the character you want to give things TO from its portfolio.
- Move gear as desired.
- Export the second character back to the original file (assuming it was the only one there), over-writing the file
- Delete the second character copy from the working portfolio
- Save changes
Isn't it simpler to...
1 - Load portfolio containing the character you want to give the items TO.
2 - Import the "FROM" character from the old portfolio.
3 - Transfer item from the "FROM" character.
4 - delete the "FROM" character from the loaded portfolio.