If you are unable to attach files in Gmail then don't worry sometimes the problem occurs because of a plug-in, if you have an outdated plug-in, then the attachment files might not upload property in your Gmail. Apart from this, there are many other reasons that you have faced attachment failure issues. Here in this guide I am sharing some of the solutions you can use to fix your issue.
1. Try to open Gmail in different browser
2. Use the Gmail app
3. Clear the cache and data
4. Update your browser
5. Go incognito
6. Check Gmail attachment limits.
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