Image alt-text went blank after a Shopify import — how to get it back

A CSV import or theme/data migration left image alt-text blank. Alt-text matters for image SEO and accessibility, and Shopify keeps no history of it, so a blank import quietly erases work.

Step by step

Stop further imports until the alt-text is restored, so you don't overwrite again.
Re-import the Image Alt Text column from an export taken before the blanking, if one exists.
If no export exists, alt-text must be re-entered — there is no native rollback for it.
Snapshot alt-text daily (most backups skip it) so the next bad import is a one-click restore.

Source: Shopify Community: image alt-text / CSV import threads

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