Shopify how-to July 30, 2026 4 min read
How to Migrate from Bold Sizes to Tailor Size Guide
Export Bold CSV. Import. Validate. Uninstall.
Migration Path
Bold Sizes admin → Export CSV. Install Tailor Size Guide. Import → upload Bold CSV → validate → save. Add app block to product template. Test 5-10 product pages. Uninstall Bold.
What's Different
Tailor Size Guide adds: AI fit recommender, multi-region size systems, custom measurement form for MTO orders, sub-30ms LCP impact (Bold ~150ms).
FAQs
Bold Sizes export?
CSV.
Measurement form?
Built-in to Tailor Size Guide.
Switch in 30 minutes
Tailor Size Guide imports your Bold Sizes data without loss.