Save A Picture Or Other Graphic As A Separate File - Microsoft Support

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In PowerPoint, Word, and Excel, the following procedure works for photos, shapes, charts, SmartArt graphics, digital ink, and text boxes.

In Outlook, the following procedure only works for photos.

Right-click the illustration that you want to save as a separate image file, and then click Save as Picture.
In the Save as type list, select the file format that you want.
In the File name box, type a new name for the picture, or just accept the suggested file name.
Select the folder where you want to store the image.
Click Save.