We are an authorized Microsoft Partner and publish a new Outlook Add-in on Microsoft Marketplace

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What does “authorized Microsoft Partner” mean in practice?

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In the context of publishing on Microsoft Marketplace, the word “partner” has a very specific meaning.

Microsoft clearly states that in order to create offers in Microsoft Marketplace, an organization must become a Microsoft partner by accepting the Microsoft Partner Agreement and Publisher Agreement.

This is important because it means that:

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• we operate within the official Microsoft publication and distribution model

• the solution is available in a place that companies naturally use when choosing add-ons and applications for Microsoft 365

• the implementation is “enterprise friendly,” i.e., possible centrally, from the administrator level

If your organization has purchasing standards, compliance, or simply does not want to install tools “from the internet,” this is exactly the element that shortens the path from “let's see” to “let's implement.”

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Why Microsoft Marketplace matters to Microsoft 365 customers

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Microsoft Marketplace is not just a catalog.

It is a channel where standards matter: formal publisher requirements, the publication process, and the rules for presenting offers. From the perspective of a company implementing corporate email signature management, this provides an additional level of organization: you know where the add-on comes from and how to implement it in your organization.

For IT, this usually means a shorter approval path, because the solution is delivered in a model compatible with the Microsoft ecosystem and can be implemented centrally.

For marketing and HR, it means greater certainty that the professional e-mail signature will look the same for everyone, regardless of the device, Outlook version, or whether someone has just changed computers.

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What does the new gSignature Add-in bring to Outlook

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“gSignature Add-in” is a web add-in for Outlook that automatically adds an e-mail signature and a professional e-mail signature when writing messages.

It works in:

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• Outlook on Windows

• Outlook in a browser (OWA)

• Outlook on Mac

• iOS and Android mobile apps

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In practice, this means one thing: the signature is not a “local user configuration,” but an element managed consistently within the company.

Most importantly, the add-in supports intelligent recipient differentiation and can automatically switch the signature to an internal or external variant, depending on whether you are writing to someone within your own domain or outside the company.

This may seem like a minor detail, but it makes a huge difference in real-life communication, because you want to show different content to colleagues within your organization and to customers, partners, or recruitment candidates.

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Automatic signatures in Outlook, how it works

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The add-in uses a mechanism to automatically insert a signature at key moments: when creating a new message, changing the sender, changing recipients, or adding attachments.

The signature appears after a short delay, usually 1-2 seconds. This is normal and is due to the way the add-in works on different platforms.

In practice, this means:

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• fewer reports such as “my e-mail signature has disappeared”

• no manual HTML pasting

• a consistent html e-mail signature template regardless of the Outlook version

If you are looking for an approach such as how to add e-mail signature in outlook or how to add a signature in gmail, this is where the key difference lies.

The add-in solves the issue systemically: the signature is not a “user setting” but a centrally managed element. This approach fits well with Microsoft 365 email signature management and scenarios where corporate email signature management is important across the entire organization.

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Key features you get right away

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In Microsoft Marketplace, we have described the features that are most important for real-world signature management in Microsoft 365.

This is not a list of “nice extras,” but a set of elements that allow you to stay organized for months, even as your company grows, people rotate, and marketing campaigns change every few weeks.

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• Smart Automatic Switching: automatic switching between internal and external signatures

• Centralized Management: one place to update signatures across the organization

• Email Message Templates: a library of short messages that can be inserted with a single click

• Multi-Platform Support: Outlook desktop, web, and mobile

• Legal Disclaimers: automatic legal clauses and e-mail signatures

• Marketing Banners & Buttons: banners, CTAs, campaigns, events

• Dynamic Variables: data from Entra ID (Azure AD), Google Workspace, or your own sources

• Real-time Data Sync: automatic signature updates when employee data changes

• Server-side Signatures: an alternative for clients without add-ins

• REST API: integrations and automations in the Premium plan

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This approach combines “email signature generator html” and “email signature management” into a single process that can be maintained in the company without chaos, without manual exceptions, and without creating dozens of “signature versions in a file.”

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Implementation in the company: less work for IT, more control for the brand

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In most organizations, the issue of signatures is not about “is it possible,” but “can it be maintained.”

From the organization's perspective, three scenarios usually win out because they respond to the real needs of three departments.

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• IT: global implementation and reduction of manual requests, which means lower maintenance costs for Office 365 e-mail signatures

• Marketing: banners, campaigns, consistent appearance, better use of each email as a channel

• HR: communication standards, roles, departments, onboarding, i.e., a consistent professional e-mail signature

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In our material on Outlook Add-in integration, we emphasize that implementation can be done centrally from the Microsoft 365 admin console, without manual action on the part of users.

This is the difference between “make your own signature” and “we have a standard that works.”

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Transparency and security, what the add-in “sees”

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You will find a clear description of permissions in the Marketplace.

The add-in can access the content of an active message (e.g., recipients, subject, content, attachments) in order to insert a signature, and it can send data to an external service as part of the solution's operation.

At the same time, other elements of the mailbox are not read or modified.

This is important in IT and compliance processes because it allows you to assess the scope of the add-in's operation without guesswork. You know what is needed to insert a signature and why.

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How much does it cost and how to get started

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In Microsoft Marketplace, we indicate that gSignature offers subscription plans starting at $0.99 per user per month (Basic plan, minimum 10 licenses).

Premium plans extend capabilities to include analytics, server-side signatures, and REST API, among other things.

If your goal is to quickly launch an Outlook e-mail signature generator in your company, the shortest path looks like this:

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• You launch a test account

• You connect Entra ID (Azure AD) or another data source

• You create an HTML e-mail signature generator in the template

• You deploy the add-in globally for Microsoft 365 users

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At this stage, the communication standard is also usually “arranged”: when the signature is internal, when it is external, which banners should go to customers, and which to employer branding campaigns.

This is the moment when Outlook signature and Outlook email signature cease to be a minor setting and become a tool for process, brand, and sales.

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