Microsoft Office Word 2013 and 2010 have limited image editing capabilities. The software can apply different effects to images inside your documents, as well as crop them and adjust their colors, brightness and contrast. It can't, however, invert the colors of an image. To invert the colors, you must use the Paint tool that is included in all Windows operating systems, including 8.1, 8, 7 and XP. If you do it correctly, the size and position of the image remain the same after you invert the colors.
Open the document that contains the image in Word 2013 or 2010. To insert an image into the document, select the "Insert" tab and click the "Pictures" icon in the Illustrations group. Pick the image and then click "Insert."
Click the image you want to edit to select it and then press "Ctrl-X" to cut it to the clipboard. The image is deleted from the document and replaced by the insertion cursor. Do not click anywhere in the document.
Open the Start screen, type "Paint" and then click "Paint" in the list of results to launch the image editor. A new blank image is created by default.
Press "Ctrl-V" to paste the image from the clipboard into Paint. The image is selected automatically, so you don't need to use the Select tool.
Right-click the image and select "Invert Color" from the context menu to invert its colors. You can further edit your image using Paint's built-in set of tools.
Press "Ctrl-C" to copy the image from Paint to the clipboard. If you accidentally deselected the image, click "Select" in the Image group and then click "Select All," before you attempt to copy it.
Return to the Word document and press "Ctrl-V" to paste the edited image in the exact same spot where the original image was. The image's size is also preserved. Press "Ctrl-S" to save the changes.
To resize an image in your document, mouse over one of its corners and then click and drag.
You can reduce the size of your documents by compressing the images. To compress an image, select it and click the "Compress" icon in the Adjust group, on the Format tab. Select the resolution from the Target Output section and click "OK." To compress all images in the document, uncheck the "Apply only to this picture" box.
According to Microsoft, you won't lose image quality when you compress the pictures.
To undo the changes and get the original image back, press "Ctrl-Z" twice.