---
title: Requirements for Extension Users
description: Requirements for CBX extension users.
---

[CBX and Gmail Extension ](https://support.realsynch.com/cbx-and-gmail-extension)

# [Requirements for Extension Users](https://support.realsynch.com/cbx-and-gmail-extension/requirements-for-extension-users)

 Written by [Amanda](https://support.realsynch.com/cbx-and-gmail-extension/author/amanda) | Jun 14, 2022 9:57:01 PM

 

 

 

# **Requirements for Extension Users:**

 

- Google Gmail Account.
- Chrome version 81.0.4044.122 or later.
- RealSynch paid subscription for CBX.
- *One* active CBX on the RealSynch platform.
- Invitation email to install the extension (generated and granted by the RealSynch subscription administrator).
- Active login to their organization's CRM.

 

 

# **[Getting Started with the Gmail Extension](https://support.realsynch.com/cbx-and-gmail-extension/getting-started-with-the-gmail-extension)**

 

[View full post](https://support.realsynch.com/cbx-and-gmail-extension/requirements-for-extension-users)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Amanda"
  },
  "dateModified" : "2025-11-06T18:24:55.170Z",
  "datePublished" : "2022-06-14T21:57:01Z",
  "headline" : "Requirements for Extension Users",
  "image" : {
    "@type" : "ImageObject",
    "height" : 60,
    "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
    "width" : 60
  },
  "mainEntityOfPage" : "https://support.realsynch.com/cbx-and-gmail-extension/requirements-for-extension-users",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "CBX and Gmail Extension"
  }
}
```