Split PDF by File Size: Keep Every Part Under a Limit
Need to split a PDF to meet an email attachment limit? This guide explains how to divide PDFs by target file size without breaking mid-page.
Published:
Tags: pdf, developer-tools, splitting
Split Large PDFs by File Size: Email Attachment Workaround Email attachments have limits. Gmail tops out at 25 MB. Outlook at 20 MB. Many corporate mail servers impose stricter limits — 10 MB is still common in regulated industries. When you need to email a 60-page scanned document, a year-end financial package, or a complete technical manual, you run into these walls constantly. The practical solution is splitting the PDF by file size or by page count to hit size targets that fit within attachment limits. This guide covers the email limit landscape, the math behind size estimation, and Python scripts for automating this split. Email Attachment Size Limits in 2025 | Email Service | Attachment Limit | |---|---| | Gmail | 25 MB per attachment | | Outlook / Office 365 | 20–25 MB (varies by…
All articles · theproductguy.in