Helpful Links
These helpful sites and links have information and software useful for getting your job done right:

The United States Postal Service Guidelines and Regulations
Adobe's Acrobat Reader for viewing PDF files
Stuffit file compression software
FTP software to send large files over the internet

Informational downloads
Download these files for help with paper thickness, envelope size, or making PDFs:

Envelope Styles and Sizes (PDF 38 KB)
Paper Weight Equivalents (PDF 223 KB)
Exporting Printable PDFs from Indesign (PDF 723 KB)