How to send large files by email?
Email limits: 25 MB maximum. Methods to bypass this constraint and FileVert alternatives.
Context
Email servers limit to 25 MB. This constraint pushes towards permanent cloud services. FileVert: ephemeral transfer up to 200 GB, hosted in Europe, renewable energy.
Learn more: Reduce email file size and heavy email: Attachment optimization guide
FileVert transfer
Transfer interface without email constraints.
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Popular email service limits
Each email provider imposes its own restrictions
Gmail
Contournements :
- Integrated Google Drive
- ZIP compression
- Split into parts
Problèmes de sécurité :
- Advertising scanning
- Exposed metadata
- No secure encryption
Outlook
Contournements :
- Integrated OneDrive
- Mandatory compression
- Forced cloud upload
Problèmes de sécurité :
- Forced synchronization
- Microsoft lock-in
- Limited control
Yahoo
Contournements :
- External links
- Third-party services
- Personal hosting
Problèmes de sécurité :
- Unsecured links
- No access control
- Random expiration
Why email is not made for large files
Email protocols date from the 80s, well before the era of large files
Automatic rejection
Mail servers block large files
Silent failure, lost email
Slow transmission
Very slow upload/download
Frequent timeouts, frustration
Possible corruption
Files altered during transmission
Unusable files on arrival
Compromised security
Unencrypted email, exposed metadata
Risk of data leak
FileVert for email
Native integration in email workflow. Ephemeral transfers, no permanent storage. Alternative to cloud solutions requiring manual process and residual storage.
Outlook Extension
- Automatic detection
Detects files > 25 MB and suggests FileVert
- Transparent replacement
Replaces attachment with secure link
- Preserved workflow
Compose your emails as usual
FileVert vs Email and cloud solutions
FileVert benefits for email
Why FileVert is superior to cloud solutions for email sending
Native email integration
Automatic Outlook/Gmail extension, unlike cloud solutions that require a manual process
Ephemeral storage
Automatic deletion after 48h-15d, no permanent storage like Dropbox or Google Drive
Security and sovereignty
French hosting, encryption, access control, unlike solutions hosted abroad
Eco-responsible
Avoids inbox clutter and permanent storage, reducing carbon footprint
Guaranteed reliability
No more rejections, timeouts, or corruption, unlike email attachments
Recipient experience
Simple download, no registration required, no cloud account needed
Compression
Reduce file size to send by email
When compression is necessary and how to effectively reduce file size to respect email limits
Why reduce file size before sending by email?
Strict email limits (25 MB Gmail, 20 MB Outlook) often require compressing your files. Here are effective methods by file type.
Strict limits
25 MB max for Gmail, 20 MB for Outlook
Faster transmission
Compressed files = faster upload/download
Avoid rejections
Reduce risk of sending failure
Compression methods by file type
Images (JPEG, PNG, GIF)
- Reduce resolution (1920x1080 instead of 4K)
- JPEG compression quality 80-85%
- PNG → JPEG conversion for photos
- Tools: TinyPNG, Squoosh, ImageOptim
- PDF compression (Adobe Acrobat, PDF24)
- Reduce image quality in PDF
- Remove metadata
- Tools: SmallPDF, ILovePDF, PDF Compressor
Videos (MP4, MOV)
- Reduce resolution (1080p instead of 4K)
- H.264 codec compression
- Reduce bitrate
- Tools: HandBrake, VLC, FFmpeg
Documents (DOC, DOCX)
- Compress embedded images
- Remove metadata
- Convert to PDF then compress
- Tools: Microsoft Word (Save As → Options → Compress images)
Compression limitations
Compression is not always the best solution
Quality loss
Compression = possible visual degradation
Processing time
Compression/decompression add steps
Recipient friction
Recipient must know how to decompress
Alternative: FileVert without compression
With FileVert, send your files in their original format up to 200 GB. No compression needed, no quality loss.
Discover FileVertOptimization
Reduce your email weight
Tips to optimize email size and avoid transmission problems
Optimize images in email
Compress images before inserting in email
- Max resolution 1920px wide
- JPEG format quality 80%
- Target weight: < 200 KB per image
- Avoid multiple image attachments
Avoid multiple attachments
Multiple files = cumulative size often exceeds limit
- Use a single download link
- Group in ZIP if really necessary
- Prefer FileVert for files > 10 MB
Optimize HTML content
Reduce email HTML code
- Remove unnecessary inline CSS
- Minify HTML
- Avoid complex tables
FileVert: modern alternative to heavy attachments
Instead of compressing and reducing quality, use FileVert to send your original files via a secure link in the email.
- No compression = preserved quality
- Up to 200 GB per transfer
- Secure link in email
- No registration for recipient
Alternative
Why send large files via link in your emails?
Replace heavy attachments with secure download links
Respect email limits
No more size problem, link replaces attachment
Enhanced security
Encryption, access control, automatic expiration
Guaranteed reliability
No rejection, no timeout, reliable transmission
User experience
Simple download, no registration required
FileVert: secure links for your emails
Generate secure download links directly from your email (Outlook, Gmail) with the FileVert extension.
- Automatic detection of heavy files
- Transparent replacement with link
- Configurable expiration (1-30 days)
- Encryption and access control
Free
Free solutions to send large files by email
Comparison of available free solutions and their hidden limits
Traditional email (Gmail, Outlook)
Coûts cachés :
- Mandatory compression
- Quality loss
- Processing time
Google Drive / OneDrive
Coûts cachés :
- Mandatory recipient registration
- Permanent storage
- Data mining
FileVert
Coûts cachés :
- None
French solution, no registration, no ads, 100% renewable hosting
Frequently asked questions email
Complementary guides
Explore our other guides to optimize your transfers
Integrate FileVert to your Outlook or use our interface directly