1-14_to_1-17.zip ✦ Simple

Are there included in the ZIP, or is it purely a vanilla world? Are you seeing any specific errors when you try to open it?

: Many iron farm designs from 1.14 broke in 1.16 due to changes in how villagers "panic" to summon golems. 1-14_to_1-17.zip

Is this a you downloaded, or a backup of your own server? Are there included in the ZIP, or is

: In the Minecraft menu, select the world -> Edit -> Optimize World. This converts all old chunks to the 1.17 format. Is this a you downloaded, or a backup of your own server

: You gain everything from 1.15 (Bees), 1.16 (The Nether Update), and 1.17 (Amethyst, Copper, Goats).

: Your 1.14 Nether is likely a barren wasteland. Upgrading to 1.17 transforms the Nether into a vibrant dimension with biomes like Crimson Forests and Basalt Deltas.