What people are asking
Tax pros emailing returns that bounce on size.
The return is right; Outlook just hates 32MB of scanned K-1s. Compress, lock, send.
What Compress PDF actually does
- Recompress page images with email presets.
- Batch ZIP for multiple clients.
What it does not do
- Replace your tax software export settings.
Steps
- Open Compress PDF.
- Compress; proofread forms and signatures.
- Optional: password-protect; email with passphrase out-of-band.
Related guides
Under 25MB for Outlook · Password protect before emailing · Merge return packet
Go deeper
Scenario guides hub · Open Compress PDF · All PDF tools · Privacy
Last updated 2026-08-20 · Research-backed long-tail