Open Instagram and go to the post, Reel, or Story you want to share
Tap the Create post button
Add your photo, video, or Reel
Tap Tag people
Select Invite collaborator
Search for and choose the account you want to collaborate with
Tap Done
Add your caption, hashtags, and other details
Tap Share
Wait for the invited account to accept the collaboration request
Review the post on both profiles after acceptance
For Stories, mention the account or use interactive stickers to involve them
For Live, invite the other account to join your broadcast
For Reels, use the Collab option before posting
Make sure both accounts are public or eligible for collaboration
Confirm both accounts follow Instagram’s collaboration requirements