iMessage is an application that Apple has built into its devices (iPhone, iPod Touch, iPad, Apple Watch and Mac). IPhone, iPod Touch, iPad, Apple Watch and Mac users can send and message for free to each other via iMessage. This feature is built into the device and only needs to be activated, Wifi or 3G connection, users can send messages, images, videos completely free for devices using iOS 5 and above.
Part 1. Use iMessage on iPhone, iPad and iPod Touch
You can use Messages to send messages, images, videos and audio files. And you can even edit your messages with motion effects, iMessages apps and more in the Messages application.
1. Send a message
), then enter a contact or you can open an existing conversation.
to send a message.2. Forward a message
Open a message, then follow the steps below:
Press and hold the message you want to forward, then click More .
Click the arrow icon 
, then enter a contact. Click the icon 
to send news.
3. Delete a message or a conversation
When deleting a message or a conversation you cannot bring that message or conversation back.
So make sure you save your important information on Messages.
To delete a message, follow the steps below:
To delete a conversation, follow the steps below:
If you want to delete multiple conversations at once, open the Messages application then click Edit in the bottom left corner. Click the circle icon next to the conversation, then click Delete at the bottom right corner of the screen.
If you want to save the message for a certain period of time, go to Settings => Messages => Keep Messages . Then select the time period in which you want to store the message.
4. Use Predictive text
With Predictive text, you can compose messages with just a few steps. When writing a message you will see options for the word and phrase you are typing. To turn off Predictive text, press and hold the icon 
or 
, then click on the slider next to Predictive.
5. Mute the conversation
To stop receiving notifications every time a new message arrives, you can mute the conversation. Access the conversation you want to mute. Then click the i- shaped icon located in the circle and open the Do Not Disturb.
When Do Not Disturb is opened, you will see a crescent moon icon 
appears next to the message conversation.
This feature helps you turn off any message tones in a conversation, but you will still receive other messages and see the message notifications on the Lock Screen lock screen.
Also you can turn off all chats by activating Do Not Disturb. Access Settings => Do Not Disturb and select Manual or Scheduled to turn off all notifications on your device.
6. Find the attachment in the conversation
Open the conversation, then click the i- shaped icon in the circle in the top right corner. You will see entries for images and attachments. Click the image or attachment to open it. Alternatively, you can click and hold the image and the attachment will display options such as Copy, Delete, etc.
7. Submit and share your location
To send or share your location on Message , follow the steps below:
1. Open the conversation, then click the i symbol located in the circle in the top right corner.
2. Click to select Send My Current Location
Your recipient will see your location on the map. Or click Share My Location (share my location).
Then, choose the length of time you want to share your location. You can share within an hour, a day, or indefinitely. Messages will set up a temporary or permanent location of Find My Friends, depending on what you choose.
Part 2: Using Messages on Mac
Messages are messaging software available for both Macs. You can use this software to send messages from iMessages or other messaging services.
With Messages for Mac, you can send unlimited messages to devices like Mac, iPhone, iPad or iPod touch using iMessages application, Apple's secure messaging services.
In addition, the application also supports fairly active messaging services on Apple devices and non-Apple devices. IPhone users can use SMS and MMS messaging applications.
1. Set up iMessages
iMessage is Apple's messaging service, and you will automatically be linked to your Apple ID . If the setting is not ready, you will be asked to log in for the first time to open the Messages application. Sign in with the same Apple ID account you use for Messages on iPhone phones and other devices.
The Apple ID account here is the Apple ID account that you use on iCloud, iTunes Store, App Store and the accounts you created when setting up the Mac.
To add a third messaging service, select Add Account from the Message Menu . Then select an account provider and follow the instructions on the supplier's screen.
To disable a messaging service or change settings, from the Messages menu select Preferences , then click Accounts .
2. Make a conversation
1. Click on the icon 
in the top corner of the Message window.
2. Enter the address of the recipient, recipient name, email address or phone number. Or click the (+) icon and select a recipient. If the recipient is in your contacts application, Messages will find that username when you enter the name.
To start a group chat, just add recipients to the conversation and you're done.
3. Enter your message in the message box at the bottom of the window, then click Return to send the message.
.
and record your message.4. After starting the conversation, click Details in the left corner of the window to add additional actions, including:
or video call 
.
.
With macOS Sierra, you can also use Siri to send, read and reply to messages on Messages.
3. Add Tapback to Message
On macOS Sierra Apple has introduced Tapback.Tapback will respond quickly to what you think of a message, such as whether you like it or think it's interesting.
Tapback is visible to all users in the conversation who are using iMessage with macOS Sierra or iOS 10. Other users will see icons like Like, Laugh at or Emphasize.
iPhone, iPad and iPod Touch also have Tapback as well as other effects.
4. Send text messages to other people on Mac
If you use iPhone and you want to save mobile data, you can set up Messages to send and receive SMS, MMS on Mac.
Part 3: Read and reply to messages on the Apple Watch
1. Read a message
To view all your messages, press the Digital Crown button (the control button next to the clock), then press select 
. If you want to add Messages to Dock, you can also transfer Messages to Dock .
To view message notifications, simply raise your wrist to view or swipe down from the watch face.
2. Reply to a message
To reply to a message, scroll down to the bottom of the message, then select an option. On the latest versions of watchOS and iOS users can send messages that are available, .
, swipe left or right, then use Digital Crown to see other options. Then click Send to send.
, swipe right to write a handwritten message and sticker, then press select one to send.
, then you can send a sketch, .
3. Send a new message
You can use Siri to create a new message. Alternatively, you can follow the steps below:
.
to add multiple contacts.4. Create a reply message available
To create a custom reply message available, open the Apple Watch app on your iPhone phone, then click the My Watch tab, then access Messages => Default Replies .
Click to select a default reply message to change the message. To delete the default reply message available or change the order, click Edit .
5. Delete a conversation
To delete a conversation, swipe left, then tap Trash .
6. Support without receiving or not sending messages
. If connected, your iPhone will make a sound .Refer to some of the following articles:
Good luck!
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