Gmail is among one of the most popular email services in the world. It's fair to say Gmail is to the 21st century what Hotmail was to the 20th century. That means there's a good chance you, dear reader, are a Gmail user.

But if all you do with Gmail is simply check your messages, you’re missing out. Gmail has a host of hidden features and tricks that takes managing, organizing, and sending your messages to the next level.

So if you want to become a Gmail power user, check out all our tips below. And be sure to check back here often, as we’ll keep this article updated with all the latest tips and tricks Gmail offers.

Gmail Tip: Undo A Sent Message

Every sent off a message you soon regretted? Go to Settings > General tab and tick "Enable Undo Send.” You’ll then have between 5 and 30 seconds (you set the time limit) to stop an email being sent after you send it. To cancel the email during this time, click the Undo button that appears in the yellow banner after you press Send.

Gmail Tip: Get Accustomed To Gmail Shortcuts

Gmail supports keyboard shortcuts – tons of them. You can learn them all by viewing this handy infographic here.

Gmail Tip: Import Other Email Addresses

If you have legacy POP3 email addresses that you access in other mail clients, you can set up those emails to be delivered directly to your Gmail inbox. Go to Settings > Accounts and Import > Check mail from other accounts. Now enter your other POP3 email and follow the next steps to have your emails sent to Gmail.

Gmail Tip: Block Users

Have someone annoying emailing you? Instead of fighting with them to get them to stop, Gmail allows you to simply block them. From an email they’ve sent you, click the drop-down button next to the reply arrow and then choose “Block [name]”. That person will never bug you again now.

Gmail Tip: Dots Don’t Matter

A secret to Gmail addresses is that the dots in the name before @gmail don’t actually matter. That’s right, sending an email to know.your.mobile.123@gmail.com is the same as sending it to knowyourmobile123@gmail.com.

Gmail Tip: Add A + To Your Email

Another Gmail name tip: you can add a + to the end of your Gmail name and people who email that + address will still have their emails sent to you. For example, if your email is knowyourmobile123@gmail.com you can sign up to a newsletter with the email knowyourmobile123+newsletter@gmail.com and anyone that emails that address will still get through to you.

Why do this? Because you can then filter the + addresses in your inbox to quickly sort through all your newsletter or other categorizations you create.

Gmail Tip: Mute Email Threads

Are you part of an annoying email thread you just can’t deal with right now? Gmail lets you mute notifications for new emails in the thread. Simply click the More (down arrow) button in the top toolbar and select Mute.

Gmail Tip: Use Google Drive To send Large Attachments

Gmail has a 25MB attachment limit. What if you want to send a file via email larger than that? Simply add the file to your Google Drive, then in your Gmail compose window, click the Google Drive button and select the file.

Gmail Tip: Get Reminded To Include Attachments

A cool feature of Gmail is it will actually remind you to attach files to emails if it sees you’ve written a phrase like “I have attached a document to this email” but haven’t actually done so when you click the send button.

Gmail Tip: Add Emoji

Yep, even Gmails aren’t safe from emojis. You can add as many as you want right to your email by clicking the emoji toolbar found in the menu at the bottom of the compose window.

Gmail Tip: Easily Unsubscribe

Gmail makes it easy to unsubscribe from annoying newsletters. Sure, you can click the unsubscribe link in an email, but sometimes senders do a great job of hiding that. Gmail, however, will scan the email for the unsubscribe link and put a shortcut button right next to the sender’s email. Click it to unsubscribe!

Gmail Tip: Reply With Canned Responses

Ever get emails that just require a simple reply? You can set up canned responses that allow you to reply to those emails with predetermined replied. to do this go to Settings > Labs and enable Canned Responses.

Gmail Tip: Use Hangouts From Within Gmail

Hangouts is Google’s instant messaging platform. Is had dedicated web and mobile apps, but you can also access Hangout chats from right within Gmail–making it easy to read an email and firing off a quick text instead of needing to reply to the email. Just click the Hangouts button in the Gmail sidebar to see your Hangouts list.

Gmail Tip: Give Someone Else Access To Your Gmail

Google allows you to share access to your email with someone else–like your assistant. Simply go to Settings > Accounts and Import > Grant access to your account and tell Gmail who else has permission to read and reply to your messages.

Gmail Tip: See If Someone Else Is Accessing Your Gmail

On the other hand, Google also allows you to see if someone else may be accessing your account without your knowledge. Click on the “Last Account Activity Details” link at the bottom of the Gmail inbox and you’ll see the IP address and location of where your Gmail account has been accessed from.

Gmail Tip: Send and Archive At The Same Time

After we reply to Gmails, we usually archive them as well. But Google allows turning this two-step process into one step. Go to Settings > General and enable the "Send & Archive button in reply” feature. Now you’ll see the Send button in joined by a Send & Archive button in email compose windows.

Gmail Tip: Enable Desktop Notifications

Gmail lets you enable desktop notifications, so you’ll get notified of new emails even if all the other apps on your desktop are closed. To enable desktop notifications go to Settings > General > Desktop Notifications and toggle them “ON”.

Gmail Tip: Make A Call From Gmail

Yeah, you can actually call any of your contacts from within Gmail. To do this you need to download the Google Talk plugin for Hangouts. Now click the “Make A Call” link in the Gmail inbox and type in the number you want to call.

Gmail Tip: See More Messages In Your Inbox

By default Google shows you 50 messages in your inbox, but you can actually up this number to 100. To do this, go to Settings > General > Maximum page size and select “100”.

Gmail Tip: Use Plugins To Make Gmail Even More Powerful

Yep, Gmail supports plugins. And just as plugins expand the capabilities of web browsers, so do they to expand the capabilities of Gmail. You can check out some cool Gmail plugins here.