
If your signature is double-spaced and you want it single-spaced, do the following:
1. On the Tools menu, click Options.
2. Click the Mail Format tab.
3. Click Signatures.
4. In the Signature box, select the signature that you want to modify, and then click Edit.
5. Place the insertion point after the last character in the line.
6. Press DELETE, and then press SHIFT+ENTER.
7. Repeat Steps 5 and 6 for each line of text.
8. When you have finished with all lines, click OK three times.