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FAQ
What is the maximum file size I can upload?
Find the answer to your question below, along with related resources.
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File size limits depend on the type of file you're uploading:
Standard RAW Files:
- Maximum size: 100 MB
- Typical size: 5-50 MB
- Format: TXT or ZIP compressed
- Processing: Automatic and immediate
Files Exceeding Limits:
If your file is larger than standard limits:
- BAM/CRAM files: Too large for direct upload - use "WGS to RAW" conversion service
- Very large VCF files: Use "VCF to RAW" conversion service
- Imputed files from other services: May need conversion
- Custom formats: Contact support for assistance
Typical File Sizes by Company:
| Company | Typical Size |
|---|---|
| 23andMe V5 | 12-15 MB |
| AncestryDNA | 16-20 MB |
| MyHeritage V2 | 10-12 MB |
| FTDNA | 20-25 MB |
| LivingDNA | 15-18 MB |
Upload Tips for Large Files:
- Ensure stable internet connection
- Avoid uploading on mobile networks
- Use latest version of your browser
- Allow sufficient time for upload (larger files take longer)
- Don't close browser during upload
Compression:
- ZIP compression is automatically handled
- Don't manually compress standard RAW files further
- Upload the file as downloaded from your testing company
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