Office guide
Compress a PDF for email attachments
Email systems often reject large PDFs, especially scanned packets. Compression is most effective when the file contains images, receipts, or scans.
Quick answer
- Answer
- Reduce PDF size before sending attachments, with notes on quality and privacy. Use this workflow when you need to send a PDF under mailbox attachment limits without guessing which tool or review step comes next.
- When to use it
- It adds context beyond a tool button: check the required file size limit, then try balanced compression first, with mistakes and FAQs tied to upload documents to a portal.
- Best next step
- Start with check the required file size limit, then open the related tool only after the source file or text is ready.
Common use cases
- •Send a PDF under mailbox attachment limits
- •Upload documents to a portal
- •Shrink scanned packets before archiving
Steps
- 1Check the required file size limit
- 2Try balanced compression first
- 3Open the result and confirm text and images remain readable
Mistakes to avoid
- •Do not keep compressing a file that is already optimized
- •Do not send sensitive documents through tools with unclear retention policies
FAQ
Why is my PDF still large?
High-resolution scans and embedded images can keep file size high even after rewriting.
Should I compress before merging?
Usually merge first, review the final packet, then compress once.