While Word for the web has no command for inserting your signature, you can scan your signature and store it as a picture you insert in the document.
Create and insert a handwritten signature
You need a scanner to do this.
Write your signature on a piece of paper.
Scan the page and save it on your computer in a common file format: BMP, GIF, JPG, or PNG.
For information on how to use your scanner, use the manufacturer’s manual or website.
Open the file and crop the image in a photo editing program.
Save the cropped image to a file, and remember its location.
To add the signature to a document in Word for the web, click in the document to place the cursor where you want your signature to appear.
Click Insert > Picture.
Navigate to the location of your image file, select it, and then click Open.
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