How to compress image for outlook
- Choose the image you want to use with Outlook.
- Compress at a medium-high quality setting.
- Resize large phone photos if the file remains too large.
- Download the smaller image and upload it to Outlook.
Recommended settings
65% to 82%
1200 to 1800 px
JPG for photos, PNG for screenshots
Resize images close to their real display size before lowering quality aggressively.
Practical explanation
Outlook uploads can be slow or fail when camera photos are too large.
Reduce large photos before sending them through business inboxes or Microsoft 365 workflows.
Use compression for smaller byte size, resizing for fewer pixels, and conversion when the current format is not right for the destination. Very small targets can require visible tradeoffs, so compare the preview before downloading.
FAQ
What image size works best for Outlook?
Use the smallest file that still looks clear for work email attachments and shared photos. Very large camera files are rarely necessary.
Should I use JPG or PNG for Outlook?
Use JPG for photos. Use PNG for screenshots, logos, or transparency when the platform accepts it.
Will compression hurt image quality?
Moderate compression usually looks fine for online viewing. Check sharp text and product details carefully.
Can I compress on my phone?
Yes. Choose the image from your mobile browser and download the smaller result.
Is the compressor free?
Yes. It is free and no signup is required.