Emails Are Still King: 2025 Data on Business Communication Habits

Despite the rise of chat apps and collaboration tools, email remains the dominant force in professional communication.
Here’s what the data says, and why it matters for your brand.

The Myth of Email’s Decline

We hear it all the time: “Email is dying.” Slack, Teams, WhatsApp, Asana, and countless other platforms are transforming the way we collaborate.
But here’s the surprising truth: email is not going anywhere.
In fact, it’s more critical than ever in business communication.

In 2025, email is still the primary communication channel for professionals, especially when it comes to client communication, documentation, formal requests, follow-ups, and cross-organizational contact.

Email in Numbers: 2025 Statistics

According to recent data from the Radicati Group and Statista ^[1][2]:

• Over 376 billion emails are sent every day worldwide in 2025.
• 91% of professionals use email daily for work communication.
• The average office worker receives 121 emails per day and sends around 40 emails daily.
• Email is still the #1 communication channel for external business contact.

These numbers are growing, not shrinking. Even in companies that use Slack or Microsoft Teams internally, email remains the glue that holds external communication together.

Why Email Remains Irreplaceable

There are several reasons email continues to dominate:

1. Universality – Everyone has an email address. Not everyone uses the same chat platform.
2. Formality & clarity – Email is preferred for structured, long-form messages.
3. Record keeping – Email threads provide searchable documentation.
4. Integration – Calendars, task managers, CRM systems – all integrate with email.
5. Trust – Email is seen as more professional and accountable than chat messages.

What This Means for Your Brand

If email is still the most trusted and widely used communication tool, it means one thing:
Every email your team sends is a brand interaction.

That includes not just the message content, but the signature as well.

• Is your team using consistent, professional email signatures?
• Are you leveraging signatures to promote your brand, values, or offers?
• Are signatures aligned with your visual identity and current campaigns?

If not, you’re missing a prime opportunity to strengthen your brand with every email.

Email Signatures in the Email Era

When email is your main communication channel, your signature becomes a crucial marketing touchpoint. It:

• Reinforces your company’s professionalism
• Provides trust-building contact info
• Directs attention to key campaigns or updates
• Promotes your brand without any extra effort

In an age of digital clutter, email signatures are one of the few brand elements that consistently reach inboxes.

Actionable Tips to Align with the Data

1. Audit your current signatures – How do they look? Are they consistent?
2. Centralize signature management – Use a platform like Signite to maintain brand control.
3. Use banners strategically – Promote your blog, demo, or event.
4. Optimize for mobile – Over 40% of emails are opened on mobile devices.
5. Track results – Measure clicks and engagement from signature links.

Don’t Underestimate the Inbox

The inbox is still prime real estate in 2025.
It’s where deals are made, relationships are built, and brands are remembered.

If you’re serious about your brand, you need to be serious about how you show up in email.

At Signite, we help organizations harness the power of email with professionally managed, branded, and dynamic signatures that create impact every time you hit send.

Email isn’t dead. It’s king. Make it count.

Sources:
[1] The Radicati Group, Inc. Email Statistics Report, 2024-2028
[2] The Radicati Group, Inc. Email Statistics Report, 2021-2025