25MB total per email, covering all attachments combined. Due to base64 encoding overhead, files over 18โ20MB may fail even though they appear under the limit.Source: AOL Help โ
Why did my 22MB PDF fail to send on AOL Mail?+
Email attachments are base64-encoded in transit, which adds about 33% to the actual size. A 22MB file becomes roughly 29MB encoded, exceeding AOL's 25MB limit.Source: AOL Help โ
Can I send multiple PDFs in one AOL Mail?+
Yes, but the total size of all attachments combined must stay under 25MB. Encoding overhead applies to each file.Source: AOL Help โ
What should I do if my PDF is too large for AOL Mail?+
Upload it to Google Drive, OneDrive, or Dropbox and share the link in your email instead of attaching the file directly.Source: AOL Help โ
Is AOL Mail's 25MB limit the same as Gmail and Yahoo?+
Yes. Gmail and Yahoo Mail also allow 25MB. Outlook is more restrictive at 20MB. Compressing to under 18MB ensures delivery on all four platforms.Source: AOL Help โ
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