The latest version of Instagram does not support caption transferring. But do not fret, the text on your post always gets automatically copied as soon as you click on the Post button.
If your post contains a caption, paste it in the text field by tapping and holding it in the final stage of the publishing process.
Here's an example of a post with caption:
When you are done with editing, you are directed to the final stage. Tap the text box, hit Paste and there it is: the caption is inserted!
Now, feel free to press Share to publish the post.
If you have any further questions, please contact us at [email protected].