The ACT! program comes with a standard number 10 envelope template and because most printers recognize that envelope size, they print without any problem. Depending on your printer some of the other standard envelope templates provided with the ACT! program may or may not print as desired.
This happens because if the printer doesn't recognize the envelope size, the page setup for the envelope defaults to 8.5 X 11 letter size with zero margins and the envelope prints in the upper left corner of the page. This typically doesn't match where your printer would feed the envelopes. To further confuse things, you can start a custom envelope of any size but if the printer doesn't recognize that size, the page setup will default to letter.
It turns out the best way to create a custom envelope is to start with the 8.5 X 11 letter size and adjust the margins to create a printing area on the sheet that corresponds to where envelopes feed with your printer. For the purposes...