2. An envelope from an add-on Synergy LLC provides Envelopes, a Google Docs Add-on that adjusts page setup settings to various envelope sizes -- including a standard #10 envelope.

Besides, the new envelopes have only five sizes, compared with the original 10. Some rarely used sizes are abandoned. Paper quality is also standardized, as the old standard for paper quality was ...

The Envelopes for Google Docs Chrome web app creates a new Google Doc with the dimensions and name you specify. With a standard Google Doc, you choose any of 11 preset page sizes; you can’t ...

Besides, the new envelopes have only five sizes, compared with the original 10. Some rarely used sizes are abandoned. Paper quality is also standardized, as the old standard for paper quality was ...