Compress PDF for Outlook
Overview
Outlook's file handling: 20MB cap on most Outlook/Office 365 mailboxes; 35MB for some enterprise plans. PDF Mavericks compresses your file in the browser before you attach it.
How to Use This Tool
Upload your PDF, choose Medium or High compression, download, then attach to Outlook. The smaller the file, the faster the recipient gets it.
Ready to get started? It's free, no registration required, and your files never leave your device.
Compress PDF →Frequently Asked Questions
What's the file size cap on Outlook?
20mb cap on most outlook/office 365 mailboxes; 35mb for some enterprise plans.
Will the recipient see the same PDF after compression?
Yes. The output is a standard PDF with the same pages, just smaller.
Does compression remove confidential markers like watermarks?
No. Watermarks, signatures, and overlays are preserved at every compression level.