Compress PDF for Outlook (20MB)
Hit Outlook’s 20MB limit without redoing your document.
Fit-or-split result: get one PDF that fits, or a ZIP of parts under the limit.
Email presets: Gmail 25MB, Outlook 20MB, Outlook.com 25MB, plus custom size.
Private by default: files auto-delete after 60 hours; we don't store document contents in logs.
How it works
Upload
Pick a PDF and a target limit.
Process
We optimize and split as needed.
Share
Download a single file or parts.
Outlook compression FAQ
Is 20MB the limit for Outlook?
Most Outlook accounts cap messages around 20MB, but limits can vary. See email presets.
Can I use a different limit?
Yes. Choose Gmail 25MB or set a custom MB target.
Sendable Outlook PDFs
Less friction, more replies
Reduce bounce backs due to oversized attachments.
Great for client updates and compliance files.
Outlook resources
See the Outlook attachment limit guide for common limits.
If a single file still will not fit, use split by size to create parts under 20 MB.
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