You do not need to e-mail your Form. It's only the Open statement that would be giving the Error.

To Write to the file. (If it doesn't exsist, It will be created)
Code:
Open "C:\b.dat" For Output As #1
Write #1, "One", "Two", "Three"
Close #1
To Read the file
Code:
Open "C:\b.dat" For Input As #1
Input #1, A, B, C
Close #1

Label1 = A
Label2 = B
Label3 = C