How to Add Social Media Icons to an Email Signature
Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

Ever wonder why some Facebook posts get shared across the platform while an invisible wall seems to surround yours? Enabling the share button is a simple but powerful way to expand your organic reach, and it often comes down to one or two quick clicks in your settings. This guide will walk you through exactly how to allow sharing on your personal profile, business page, and in groups, turning your excellent content into something that anyone can share.
Before we get into the step-by-step instructions, it’s worth taking a moment to understand why you want people to share your posts. At its core, sharing is the ultimate form of organic marketing on social media. It serves a few powerful functions:
In short, a share is more than just a metric, it's a testament to your content's quality and the fastest track to growing your audience without spending a dime.
For personal profiles, your content's shareability is directly tied to its privacy setting. Only posts set to Public can be freely shared by anyone on Facebook. If a post is set to Friends, only your friends can see it, and they won't see a share button to broadcast it to their own network. Here's how to manage these settings.
You can set a default privacy level for all your future posts so you don't have to think about it every time. If your goal is to grow a personal brand or be a public figure, setting this to Public is the way to go.
From this point on, every new post you create will default to the Public setting, making it shareable by definition. But what if you want to keep your default setting private but make specific posts public?
Facebook gives you granular control over every single piece of content you share. You can make one post public and the next one private.
When you're creating a new post, look for the audience dropdown menu directly below your name. It will show your default setting (e.g., Friends or Public). Click on it to open the audience selector. Here, you can choose who gets to see - and share - this specific post.
Select Public, compose your post, and hit the Post button. The Share button will now be visible to everyone.
Did you already post something and realize you want people to be able to share it? No problem. You can change the audience after the fact.
The post will instantly update with a Share button, ready for your friends and followers to spread the word.
If you run a business, a brand, or a public organization, you're in luck: managing share settings for a Facebook Page is much simpler. By their very nature, posts made from a Business Page are public by default. The “like, comment, share” functionality is a built-in feature of public-facing brand content. There is no privacy toggle to accidentally switch off sharing.
However, there are a few less-common settings that could inadvertently limit who can see and share your content.
Some pages - particularly those for products or services related to alcohol, tobacco, or other regulated industries - use audience restrictions. These settings can prevent your page and its content from being seen by people who don't meet the criteria, which also means they can't share it.
To check these settings:
If you have a restriction active (e.g., only users in the United States or users over 21), anyone outside that audience will not be able to see or share your posts. Most businesses should keep these wide open unless required by law.
Facebook Groups operate under different rules, and their sharing capacity depends entirely on the group's privacy setting. Understanding this distinction is fundamental.
The primary rule of group sharing is simple:
As a Group Admin, you don't have a magic switch to make private posts publicly shareable. However, you should check your group settings to make sure you haven't accidentally disabled other forms of engagement that can encourage community growth.
If you run a public group and find sharing isn't as prevalent as you'd like, focus on fostering high-quality, valuable content that members feel compelled to share with their networks. Great infographics, helpful guides, funny memes, or inspiring stories are all highly shareable assets that can draw new members into your community.
Flipping the switch to "Public" is only half the battle. Now you have to give people a reason to hit that share button. Moving beyond the technical settings, here are a few content strategies to inspire more shares:
Allowing sharing on Facebook comes down to mastering your audience settings. For personal profiles, "Public" is the magic word that turns on sharing for everyone. For pages and public groups, it's enabled by default, so your job shifts from technical setup to creating content that people genuinely want to share.
Once your settings are correct, the real work begins: consistently creating content worth sharing. To avoid the chaos of managing all your social platforms separately, we designed the visual content calendar in Postbase. It lets you plan and schedule high-quality content across Facebook, Instagram, TikTok, and more, all from one clean dashboard, freeing you up to focus on creating posts that will get people talking and sharing.
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