I need to upload Excel file into another system.
Part of my Excel file looks like that:

A B C D E
1 Account
2 410. 05 107 110. 9995200
3 410. 05 107 110. 1004300

how can I combine the data from cells A--E into one account like that:
410.05107110.9995200 ?

Thanks for your help,
Lu.