Here, We discuss the best ways to fix Gmail Attachment Not Working Issues. So, Check the below mentioned steps to resolve this issues.
First of all, Open Gmail in a different web browser.
Upgrade and updated your web browser.
Check your internet connectivity
Turn off all the third party extensions.
Clear all the caches and cookies of your web browser.
Check that you're not above your Gmail attachment size limit.
Use the Gmail app on your phone.
That is all there is to it. To resolve issues with Gmail attachments not working, you must carefully follow all of these instructions.