You can use another email account from a different service provider or upload the file to another cloud storage service to solve this problem quickly. If still emails not sending Gmail with your attachments, check the total attachment size. It is restricted to 25MB. Additionally, executable files (.EXE) are not allowed as attachments for security reasons. Additionally, check the extensions as any extension could interfere or break Gmail functionality. Any extensions may interfere with or break Gmail functionality. Try attaching your Gmail file in an incognito window. Clearing your browser cache and data can help optimize your browser and resolve many browser issues, including Gmail attachment issues.

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