You can attach files from your computer, OneDrive, or other storage accounts to email messages and calendar events and share them with others. You can also embed pictures in your email messages and calendar events.
Note: If the instructions don't match what you see, you might be using an older version of Outlook on the web. Try the Instructions for classic Outlook on the web.
When you attach a file from your computer, you're attaching a copy of the file. Each recipient will get their own copy of the file.
Note: The attachment size limit for local files is 34 MB.
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At the bottom of a message or calendar event, select
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Choose the local file you want to attach, and select Open.
You can also share a file from OneDrive. This way, your recipients can collaborate on it in real time.
Note: The attachment size limit for OneDrive files is 2GB.
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At the bottom of a message or calendar event, select
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Choose the file or folder you want to share and select Next. Double-click folders to open them.
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Select Share as a OneDrive link.
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Choose if people can edit the file or only view it. Select
You can also share files from other storage accounts. Anyone you share the file with can see the latest changes.
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In a message or calendar event, select
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Select the storage account from which you want to share the file. You can add storage accounts by selecting Add an account.
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Choose the file or folder you want to attach and select Next. Double-click folders to open them.
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Select Share as a link.
If you have a link to a OneDrive or SharePoint file, you can paste it in the body of your message. Outlook will replace the URL with the name of the file and the corresponding Office app icon. Select the link to choose who has access to it.
Note: If a recipient doesn't have permission to access the file, you'll see an error message when you select the link.
When you select the
You can attach a message to another message in Outlook on the web.
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Create a new message or click to reply to or forward an existing message.
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Arrange the windows so you can see both the message list and your new message.
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Select and drag the message you want to attach from the message list into your message.
You can't attach a copy of a folder in Outlook on the web. However, you can share a folder in OneDrive.
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Select the OneDrive icon in the taskbar, and select View online. This will open OneDrive in a web browser.
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On your computer, open File Explorer
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Drag the folder into OneDrive in the web browser.
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Go to Outlook on the web and create a new message or open a message from the message list.
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Select
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Select Share as a OneDrive link.
IMPORTANT: By default, recipients will be able to edit the files in the folder. To change permissions so that recipients can only view the files:
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Select
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Select the message that contains the attachment you want to download.
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Next to the attachment, select
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Select Download.
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Open the message containing the attachment you want to print.
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Select the attachment, and then select Download.
Caution: Don't open an attachment sent in an email message unless you trust the content and the person who sent it to you. Attachments are a common method for spreading computer viruses. In the email message, select Preview from the drop-down menu next to the attachment to view the contents of the attachment without opening it.
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Open the attachment using its corresponding app or program, and then print. For example, open a .docx file in Word and then print.
In the email message you're writing, select
You can insert photos, gifs, or clipart from your computer or OneDrive as inline pictures in email messages, calendar events, or your email signature. Inline pictures are displayed in the body of the message or calendar event.
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Open the message or calendar event.
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Select the picture icon to insert a picture from your computer or OneDrive.
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Choose the picture you want to insert and select Open.
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Drag the corner handles to resize the image.
Note: Resizing an image doesn't reduce its file size. To learn how to reduce the file size of a picture, see Reduce the file size of a picture.
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Right-click the image to see formatting options.
Instructions for classic Outlook on the web
When you attach a file from your computer, you're attaching a copy of the file. Each recipient will get their own copy of the file.
Note: The attachment size limit for local files is 34 MB.
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In an email message or calendar event, select Attach at the top of the page.
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Select Computer, choose the file you want to attach, and select Open.
Tip: Double-click folders to open them.
When you attach a file from OneDrive, your recipients can collaborate on it in real time. You can also upload a file on your computer to OneDrive and share it as a OneDrive file.
Note: The attachment size limit for OneDrive files is 2GB.
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In an email message or calendar event, select Attach at the top of the page.
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Select OneDrive - personal or OneDrive - <your business name>.
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Choose the file you want to attach and select Next.
Tip: Double-click folders to open them.
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Select Share as a OneDrive link.
To change if people can edit the file or only view it, select
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Open a new email message, or click to reply to or forward an existing message.
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Open the message in a new window by selecting
Note: If you don't see
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Arrange the windows so you can see both the message list and your new email message.
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Select and drag the message you want to attach from the message list to your new message.
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Open the message containing the attachment you want to print.
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Select the attachment, and from the drop-down menu, select Download.
After the download is complete, you can open the item and then print it.
Select 
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Open the message or calendar event.
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Select the picture icon to insert a picture from your computer.
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Choose the picture you want to insert and select Open .
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Drag the corner handles to make the image bigger or smaller.
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Right-click the image to see formatting options.
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If you reply to a message that has an attachment, the attachment won’t be included in the reply.
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Don't open an attachment sent in an email message unless you trust the content and the person who sent it to you. Attachments are a common method for spreading computer viruses. Use the Reading pane to preview the message (
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Long file names of attachments might be shortened in Outlook on the web. This won’t affect the contents of the file.
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You only attach files to calendar events that you or a delegate created.
See Also
When you attach a file from your computer, you're attaching a copy of the file. Each recipient will get their own copy of the file.
Note: The attachment size limit for local files is 34 MB.
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On the toolbar of the message window or calendar event, select Attach file > Browse this computer.
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Choose the local file you want to attach and select Open.
You can also share a file from OneDrive. This way, your recipients can collaborate on it in real time.
Note: The attachment size limit for OneDrive files is 2GB.
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On the toolbar of the message window or calendar event, select Attach file > OneDrive.
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Choose the file or folder you want to share.
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At the bottom of the OneDrive window, select the down arrow to select Share link.
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In the message window, select the shared file, and select People in Microsoft with this link can edit.
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In the Sharing settings window, choose if people can edit the file or only view it. Click Apply.
If you have a link to a OneDrive or SharePoint file, you can paste it in the body of your message. Outlook will replace the URL with the name of the file and the corresponding Office app icon. Select the link to choose who has access to it.
Note: If a recipient doesn't have permission to access the file, you'll see an error message when you select the link.
When you select Attach file to attach a file, you'll see a short list of files that might be relevant to your conversation or that you've worked on recently. Select any of them to add it to your message.
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Select the message that contains the attachment you want to download.
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Next to the attachment, select
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Select Download.
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Open the message containing the attachment you want to print.
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Select the attachment, and then select Download.
Caution: Don't open an attachment sent in an email message unless you trust the content and the person who sent it to you. Attachments are a common method for spreading computer viruses. In the email message, select Preview from the drop-down menu next to the attachment to view the contents of the attachment without opening it.
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Open the attachment using its corresponding app or program, and then print. For example, open a .docx file in Word and then print.
In the email message you're writing, select
You can insert photos, gifs, or clipart from your computer or OneDrive as inline pictures in email messages, calendar events, or your email signature. Inline pictures are displayed in the body of the message or calendar event.
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Open the message or calendar event.
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Select the picture icon to insert a picture from your computer or OneDrive.
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Choose the picture you want to insert and select Open.
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Drag the corner handles to resize the image.
Note: Resizing an image doesn't reduce its file size. To learn how to reduce the file size of a picture, see Reduce the file size of a picture.
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Right-click the image to see formatting options.
