Word has these sizes in Avery templates, but you can find other types under
"Label Products" when you go into Tools >envelopes and labels and ask for
Label Options.
3263 - 4.25" high and 5.5" wide
3611 - 4" high and 6" wide
5389 - 4" high and 6" wide
8387 - 4.25" high and 5.5" wide
8389 - 4" high and 6" wide
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At one time the difference in the large number and the small number was:
smaller number = a few sheets
larger number = more sheets in a package.
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Some of these are run on portrait orientation, but at least one of them runs
on landscape (all 8.5 x 11")
Darlene