GCC High Email Signature Management

The first email signature platform built for Microsoft GCC High environments.

Built for branding, compliance, and control—without compromise.

Maintain brand consistency, ensure email compliance, and reduce manual work without compromising security.

Trusted by the world's leading brands

What Is Microsoft 365 GCC High?

GCC High (Government Community Cloud High) is Microsoft’s secure cloud environment for U.S. federal agencies, defense contractors, and organizations handling Controlled Unclassified Information (CUI).

GCC High (Government Community Cloud High) is Microsoft’s secure cloud environment for U.S. federal agencies, defense contractors, and organizations handling Controlled Unclassified Information (CUI).

Microsoft GCC High meets the highest standards for cybersecurity and compliance, including FedRAMP High, DFARS, ITAR, and CMMC, and is hosted entirely on U.S. infrastructure.

GCC High is part of the Microsoft 365 suite and works alongside Azure Government to support cleared personnel and the Defense Industrial Base (DIB).

Opensense is the only U.S.-based signature platform purpose-built to support organizations operating in Microsoft GCC High environments, helping regulated teams manage email branding, disclaimers, and campaign banners with control and confidence.

Who is GCC High For?

GCC High is designed for teams operating in regulated environments where control and compliance are non-negotiable.

Defense Contractors

Manage ITAR- and DFARS-compliant communications with built-in security.

Government Agencies

Standardize branding and email messaging in regulated environments.

IT and Compliance Teams

Gain centralized control over user-level communications without user intervention.

Marketing and Brand Leaders

Run campaigns and maintain brand consistency, even in locked-down email environments.

Why Opensense for GCC High Environments?

Most tools weren’t built for GCC High. We were. Opensense gives regulated teams a secure, compliant way to manage branded communications, at scale.

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Centralized

Centralize signature control across Microsoft 365 and Outlook.

Compliant

Launch banner campaigns that meet compliance standards.

Consistent

Enforce disclaimers and legal copy across the org.

Intelligent

Drive visibility and insights from 1:1 email activity.

Why Opensense for GCC High Environments?

IT Teams

  • Works natively with Microsoft 365 and Outlook
  • Centralized control for signatures, disclaimers, and banners
  • Fewer support tickets from broken or outdated signatures

Compliance Teams

  • Enforce legal disclaimers and policy language
  • Simplify audits with consistent messaging
  • Align communications with compliance standards

Marketing & Brand

  • Keep every signature on-brand and up to date
  • Launch banner campaigns that actually reach inboxes
  • Eliminate manual updates across teams

Pricing for GCC High Environments

Opensense’s GCC High offering includes enhanced compliance and support tailored to meet the strict requirements of regulated cloud environments.

Trust, Compliance, and Control - Without the Tradeoffs

Managing email signatures shouldn’t be a compliance headache.

Opensense helps regulated teams stay in control, look on-brand, and move faster without compromising security.

Frequently Asked Questions

General Compatibility

Is Opensense approved for GCC High?

Yes, Opensense has gone through the approval process to work with Microsoft GCC High and set up the dedicated applications necessary.

Does Opensense work with Outlook and Microsoft 365 in GCC High?

Yes. Our platform integrates natively with Microsoft 365 and Outlook environments.

Platform Capabilities

Is Opensense just for email signatures?

No. Opensense is a complete solution for branded, compliant email communications. We offer:

  • Centrally managed, compliant email signatures
  • Targeted banner campaigns - even in regulated environments
  • Sales insights from 1:1 email interactions
  • Built-in legal disclaimers and policy enforcement

Can I launch email banners in GCC High environments?

Yes. Opensense supports dynamic, brand-safe banner campaigns, even within the restrictions of GCC High, so you can drive awareness, compliance, or internal campaigns.

Do I need to install anything locally?

No. Opensense is fully cloud-based and integrates directly with Microsoft 365. There’s nothing to install or manage on individual devices.

Compliance & Security

What compliance frameworks does Opensense support?

Opensense is designed to support organizations operating in regulated environments, including those subject to frameworks like FedRAMP, ITAR, and CMMC. While Opensense is not independently certified under these standards, our platform is compatible with Microsoft GCC High—an environment that meets those compliance requirements—and is hosted entirely in the U.S.

Can I lock in legal disclaimers or footer language?

Yes. You can centrally enforce mandatory disclaimers, regulatory language, and brand rules across your organization.

Is Opensense suitable for audit and policy enforcement?

Yes. Opensense provides centralized control, versioning, and enforcement, making it easier to support internal audits and compliance requirements.

MSP’s and Resellers

Who uses Opensense in GCC High environments?

Our platform is designed to support organizations operating in secure and regulated environments, including:

  • Defense contractors and members of the Defense Industrial Base (DIB)
  • Federal agencies and public sector teams
  • IT and compliance teams managing communication controls
  • Marketing teams standardizing branding across email

Do you support MSPs and consultants working with GCC High clients?

Yes. We work with service providers and consultants who support clients operating in Microsoft GCC and GCC High environments.

How is this different from standard email signature tools?

Many traditional solutions face limitations in regulated environments due to hosting, security, or compatibility constraints. Opensense is designed to work in alignment with the needs of organizations using Microsoft 365 GCC High, with U.S.-based infrastructure and native platform integration.

Pricing & Support

Is there different pricing for GCC High support?

Yes. Due to the added compliance and environment requirements, GCC High support is offered in a separate pricing tier. [See pricing →]

Is onboarding different for GCC High customers?

Slightly. We provide tailored onboarding and compliance resources to ensure deployment aligns with your organization’s policies and architecture.