Resize or edit pictures in Outlook

When you add a picture or an image in the body of your email, you might find that it's too large or too small to see well, or the size of the image might be too big for some email servers, or you received a picture in an email that's too large or small to view well.

What do you want to do?

Insert and resize photos and images in the body of a message

  1. To add a picture, photo, or other image to your email message, on the Insert tab, in the Illustrations group, click Pictures.

    On the Insert tab, click Pictures.
  2. Select the picture you want to insert into your message, and then click Insert. The picture is inserted into your message.

    The image is now in your message.
  3. To increase or decrease the size of the picture, drag the sizing handle from one of the corners of the picture toward or away from the center.

    Resize the image by dragging the handle.

Tip: Use one of the corner sizing handles to keep the picture’s proportions correct. Using the sizing handles located in the middle of each side of the picture resizes only the height or width of the picture, distorting it.

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Automatically resize large attachments

If you're sending large pictures or other images as attachments, you might want Outlook to automatically resize them. By doing this, you can send the image more quickly and avoid exceeding attachment size limits.

  1. To add an attachment to your email, on the Insert tab, in the Include group, click Attach File.

    On the Insert tab, click Attach File.
  2. Select the image you want to attach to your message, and then click Insert. The image is attached to your message.

  3. Click File. If it's a large image, you'll see an option stating Resize large images when I send this message. Click this option.

    You can resize the image by clicking this option.
  4. Click the arrow in the top-left of the screen to return to your message.

    Note: When you use this option, all attachments of a large size will be resized in the same message. Sometimes the attached file might not be reduced because the original file is already compressed.

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Resize a picture to precise measurements

You can specify the exact height and width of an image in the body of your email, making it unnecessary to use a separate image tool for precise resizing. This procedure describes how you can change the height and width at the same time, keeping the same aspect ratio.

  1. Click the picture you want to resize.

  2. On the Format tab, in the Size group, enter the required height. The width changes automatically to stay in proportion to the height.

    You can change the width and height from the Format tab.

You can change the height and width separately by following the procedure below.

  1. Click the picture you want to resize.

  2. Click the Size dialog box launcher at the bottom-right corner of the Size group.

    Clicking the dialog box launcher opens the dialog box.

    Tip: You can also open this dialog box by right-clicking the picture and then selecting Size and Position.

  3. Clear the Lock aspect ratio check box, and then click OK.

    In the Layout dialog box, clear the "Lock aspect ratio" check box.
  4. In the Size group, enter the height and width values that you want.

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Compress and reduce resolution while maintaining size

Sometimes, you want to reduce the file size without changing the image measurements. You can use the Compress Pictures control to change the resolution of an attached image so that the file contains fewer bits per pixel and as a result takes up less space, though the picture measurements remain the same.

  1. In your email message, click the picture you want to compress.

  2. On the Format tab, click the Compress Pictures icon.

    The Compress Pictures icon
  3. In the Compress Pictures dialog box, under Target output, select the option you want. Depending on the original resolution of your picture, some options might be unavailable.

    The Compress Pictures dialog box


    • If you want to compress only the selected picture, under Compression options, select the check box for Apply only to this picture.

    • Changing the picture resolution changes the quality of the picture. If you want to preserve the quality, you can add the image file to a compressed folder, such as a .zip folder, and then attach the folder to your email message.

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Zoom to better view received images

Sometimes it’s hard to view the photos and other images people send you because they are too large or too small. You can’t resize an image inside a received message in the same ways you can when you send or forward a message, but you can zoom in or out on the mail to see the image better.

  1. Double-click the message to open it in a new window.

  2. On the Message tab, in the Zoom group, click the Zoom icon.

    The Zoom icon
  3. In the Zoom to area, click the zoom percentage that you want, or use the Percent field to specify a zoom percentage.

    The Zoom dialog box


  • If you have a mouse with a wheel, you can also zoom in and out by pressing the Ctrl key and rolling the wheel.

  • If want to use all the same resizing and editing controls as when you create a new message, you can forward the message to yourself or to others.

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See Also

Add graphics to messages in Outlook

Editing photos without Picture Manager

Reduce the file size of a picture in Office documents

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