Use your full name and mailing address in the “From” block
Place the “From” block at the top-left (or top, depending on your format)
Include: street address, apartment/unit number (if any), city, state/province, ZIP/postal code, country (if needed)
Add your phone number and email under the address (optional, if required)
Use the recipient’s full name and mailing address in the “To” block
Place the “To” block below the “From” block (or aligned to the left)
Include: recipient’s title (if applicable), organization/company name (if applicable), street address, apartment/unit number (if any), city, state/province, ZIP/postal code, country (if needed)
Use “From:” and “To:” labels if your format requires them
Use consistent punctuation and line breaks (one address line per line)
Use abbreviations consistently for states/provinces and ZIP/postal codes
Ensure the country is included when sending internationally
Example “From” format:
From:
Your Name
Street Address, Apt/Unit
City, State ZIP
Country
Phone / Email (optional)
Example “To” format:
To:
Recipient Name (Title, if applicable)
Company/Organization (if applicable)
Street Address, Apt/Unit
City, State ZIP
Country
If required, add a subject line between the address blocks and the body (only if your format calls for it)