Shopify doesn't have a feature for duplicating blog posts, but you can easily do so with the Matrixify app. This is useful for reusing template posts or updating posts about seasonal products.
◆Advantages of duplication
・Significantly reduces article creation time ・Makes formatting easier
・Past articles can be reused
◆Specific steps
①Install the Matrixify app
② Export the article you want to duplicate using Matrixify's Export. ③ Duplicate and edit the article in Excel or a spreadsheet. ④ Import it as a new article using Matrixify's Import.
*Available even with the free plan *Images are also automatically duplicated
How to Duplicate a Blog Post (Using Matrixify)

[Setup Method 1] Get all blog posts with Matrixify (you can use filters to get only specific posts)

[Setting Method 2] Duplicate blog posts obtained with Matrixify in a spreadsheet, making the handle names unique except for the IDs.

[Setting Method 3] Re-import the duplicated data using Matrixify

