Envelopes

Shop by Category

Shop by Brand

Envelopes

Envelopes for Mailing, Office Tasks & Professional Correspondence

At Advanced Filing Concepts, we offer a wide selection of envelopes for business, office, and personal use. Whether you need standard mailing envelopes for invoices, security envelopes for confidential documents, or laser-compatible window envelopes for professional correspondence, you’ll find the right fit here.

Popular envelope styles include: Business envelopes in standard #10, #9, and letter-size options. Window envelopes for quick address visibility. Security envelopes to protect sensitive contents. Large mailing envelopes for legal documents, catalogs, and bulk correspondence. Colored envelopes to help your mail stand out.

With multiple sizes, finishes, colors, and sealing styles available, Filing.com ensures you get the best envelopes for your application. Need help choosing? Contact us for expert recommendations.

Compare Selected

Why Choose Our Envelopes?

At Advanced Filing Concepts, we specialize in professional-grade envelopes designed for reliability, compatibility, and presentation. Our laser printer–friendly window envelopes, tamper-evident security styles, and colorful options help your documents arrive safely and make an impression. Whether for business, personal, or specialty needs, we offer solutions for every mailing task.

Explore our full envelope collection and find high-quality options that support secure, efficient, and polished communication.

Our Envelope Selection

Window Envelopes: Laser-compatible options designed for invoices, statements, and correspondence.
Business Envelopes: Standard #10, #9, and letter-size styles for everyday office mailings.
Mailing Envelopes: Includes large formats, photo mailers, and durable mailing sleeves.
Custom Envelopes: Personalized with your brand, message, or specialty size requirements.
Specialty Envelopes: From interoffice envelopes to medical-grade and X-ray preservers.