After installing the said add-on, go to your Gmail account.On your Chrome web browser, go to the Web Store then download and install this free Gmail add-on called “ Attachment Icons for Gmail”.Note: This method only works if you’re loading Gmail in Chrome How to replace the paper clip attachment icon in Gmail Well, in this case, all you need to do is to replace the default paper clip icon in Gmail with a better set of attachment icons. Now, what if you want to know the type of file being attached without opening your email first? Come to think of it, this can help you save a lot of time in managing your emails. Apparently, the attachment icon is the same for every attached file regardless if it’s an image, a spreadsheet, PDF or Word document. As you can see in your Gmail account, every file attachment is represented by a paper clip icon.