Instagram Tips & Strategies

How to Post 20 Photos on Instagram

By Spencer Lanoue
October 31, 2025

So, you’ve got a fantastic event, a detailed product launch, or a breathtaking travel story to share and want to know how to post 20 photos on Instagram. You’ve lined up all your shots, perfected the edits, and then you hit the wall: Instagram’s 10-photo carousel limit. This article will show you exactly how to break past that barrier and share your full visual narrative, not just a ten-photo snapshot. We'll cover several effective and creative workarounds that work even better than a single, oversized post.

Understanding Instagram's 10-Photo Limit

First, let’s get the hard part out of the way. Natively, you cannot upload more than 10 photos or videos into a single in-feed carousel post. Instagram designed this limitation for a reason, primarily focused on user experience. Attention spans on social media are short, and the platform wants to prevent users from endlessly swiping through content that feels overwhelming. A 10-slide carousel is already a significant commitment for the average scroller, a 20-slide one would likely see a massive drop-off in completion rate.

But that doesn't mean your story can't be told. You just need to think like a strategist. Instead of trying to force 20 photos into a format that wasn't built for it, you can use the platform's other features to create a more engaging and expansive storytelling experience. Let's look at the best ways to bring all 20 of your images to life.

Strategy 1: The Multi-Part Carousel Series

The simplest and most effective strategy is to split your collection into a series of interconnected carousel posts. Instead of one post with 20 photos, you’ll create two posts with 10 photos each. When done right, this can actually boost your engagement and reach by giving you two opportunities to appear in your followers' feeds.

Here's how to execute a multi-part series flawlessly:

Plan Your Narrative Arc

Don't just randomly split the photos between two posts. Curate them intentionally. Think of it as telling a story with a beginning, middle, and end, but with a Part 1 and Part 2.

  • Part 1 (Photos 1-10): The setup. Introduce the scene, the people, or the main idea. Build curiosity. End your first carousel with a "cliffhanger" or a teaser image that makes people want to see what happens next.
  • Part 2 (Photos 11-20): The resolution. Deliver the big moments, the details, and the conclusion to your story. This post should feel like a satisfying payoff for anyone who saw Part 1.

Create Clear Signage

You have to guide your audience. They won't automatically know a second post is coming. Make it obvious by including text overlays or graphics in your carousels.

  • On the first slide of the first post, add a simple "Part 1 of 2" or "1/2" graphic.
  • On the last slide of the first post, create a slide that says something like, "Swipe to the end, then check our feed for Part 2!"
  • Similarly, label your second post as "Part 2 of 2" on its first slide.

Craft Linking Captions

Your captions are essential for bridging the two posts together. Your writing should connect the dots for your audience.

Example for Part 1:
"A look back at our annual team retreat - Part 1! 📸 From the morning hike to the afternoon workshops, here are the first 10 moments. The real party started after dark... stay tuned for Part 2, coming later today!"

Example for Part 2:
"And we're back... Part 2 of our team retreat! ✨ As promised, here are the rest of the memories, including the bonfires, breakthroughs, and a few hilarious outtakes. What a weekend! Which photo here is your favorite?"

Master Your Posting Cadence

Don’t post Part 2 a week after Part 1. You risk losing momentum. Post them close enough together that followers will remember the first part. A few good options are:

  • Posting them 1-3 hours apart on the same day.
  • Posting Part 1 in the morning and Part 2 in the evening.
  • Posting on consecutive days, like Monday and Tuesday, to build anticipation.

Strategy 2: The Video Slideshow Reel

Another powerful method is to convert your 20 photos into a video slideshow and post it as an Instagram Reel. Reels often receive prioritized placement in the algorithm, meaning your collection could reach a much wider audience than a standard feed post. This format is perfect for energetic recaps, emotional montages, or a quick-paced look at a product.

How to Create a Photo Slideshow Reel

You don't need fancy software. You can do this with free apps directly on your phone, or even inside Instagram itself.

Using apps like CapCut or VN Video Editor:

  1. Import Your Photos: Open a new project and import all 20 of your photos from your camera roll.
  2. Set the Duration: Arrange them in the order you want. For 20 photos in a 30-second Reel, you’d set each photo’s duration to about 1 to 1.5 seconds. Adjust this based on your desired pace. Quick cuts create energy, slower pacing allows for appreciation of details.
  3. Add Trending Audio: Add music or a trending sound to make the Reel more discoverable and emotionally resonant.
  4. Add Transitions & Text (Optional): Add subtle transitions between photos (like a simple fade) to make the slideshow smoother. You can also add text overlays to explain the context of the photos.
  5. Export and Upload: Export the video in high resolution (1080p) and upload it directly as an Instagram Reel.

Why This Strategy Works So Well

  • Algorithmic Advantage: Instagram is heavily pushing Reels. Your video is more likely to be shown on the Explore page and to people who don't follow you yet.
  • High Engagement: Music-driven visuals are highly shareable and captivating. Viewers can watch the entire story unfold within 30-60 seconds without having to do any work themselves (like swiping).
  • Unlimited Photos: This method has no photo limit. You could technically include 50 or 100 photos if you time them quickly enough!

Strategy 3: The Curated Instagram Story Highlight

If your 20 photos serve as a "behind-the-scenes" archive, an event recap, or a Q&,A session, Instagram Stories might be your best bet. You can upload up to 100 photos and videos to your Story in a 24-hour period. Better yet, you can save them permanently to your profile using Story Highlights.

Highlights act as folders on your profile, sitting right below your bio where every visitor can see them. They are perfect for evergreen content that you want people to discover long after the initial 24-hour period.

Step-by-Step Guide:

  1. Upload to Your Story: Over the course of a day (or within minutes), upload all 20 of your desired photos to your Instagram Story. Don't worry about spamming - people can tap through quickly. Use stickers, text, and GIFs to add context to each image.
  2. Create a New Highlight: Once they are live on your Story, go to your profile, tap the "New" button with a plus sign under your bio.
  3. Select Your Photos: Instagram will show a gallery of all your active and archived Stories. Select the 20 photos you just posted.
  4. Name It &, Create a Custom Cover: Create a polished and branded first impression by giving your Highlight a short, descriptive name (e.g., "NYC Trip '24," "BTS Launch," "Team Event"). Then, upload a custom cover image that matches your brand's aesthetic. You can easily design these in a tool like Canva.

This method turns your fleeting visual story into a permanent resource on your profile, adding depth and personality to your brand.

Strategy 4: The Creative Collage Method

While sometimes a bit less clean, the collage method allows you to literally fit more images into a single carousel. Here, you'd create collage images for some (or all) of the 10 slides in your carousel post. Instead of one photo per slide, you could have 2-4 photos per slide.

For example, if you create 5 slides with 4-photo collages each, you’ve successfully showcased your 20 photos within a single post.

Best Practices for Collages:

  • Keep It Simple: Avoid overly busy layouts. A simple, clean grid works best. Use consistent spacing and borders.
  • Use the Right Tools: Apps like Canva, Adobe Express, or Instagram's own retired "Layout" app are perfect for this. They offer templates that make creating clean collages intuitive.
  • Group Thematically: On each collage slide, group photos that are visually or thematically related. For example, one slide could be all detailed shots, while another focuses on wide landscape shots.

This method is excellent for product showcases where you need to display many variations or angles, or for design portfolios where showing multiple pieces in context is beneficial.

Choosing the Right Method for Your Goal

Not sure which strategy to pick? Here’s a quick guide:

  • For a rich, linear narrative (like a wedding or tutorial): Multi-Part Carousels are king.
  • For a dynamic, attention-grabbing recap: A Video Slideshow Reel is your best friend.
  • For an evergreen, behind-the-scenes gallery: Story Highlights are the way to go.
  • For a high-volume product showcase: The collage method gives you maximum efficiency per slide.

Final Thoughts

While Instagram's 10-photo limit feels restrictive, it pushes creators to be more strategic and creative with their content. By using multi-part carousels, video slideshows, Story Highlights, or photo collages, you can successfully share your full 20-photo narrative in a way that is engaging, effective, and works with the platform's strengths, not against them.

Executing a multi-part series or scheduling a full week of diverse content requires smart planning. That's why we built Postbase with a visual calendar that lets you see your entire strategy at a glance. You can easily map out your "Part 1" and "Part 2" carousels, drag and drop Reels to the perfect time slots, and ensure your storytelling is perfectly paced and consistent across all platforms, taking the chaos out of complex content planning.

Spencer's spent a decade building products at companies like Buffer, UserTesting, and Bump Health. He's spent years in the weeds of social media management—scheduling posts, analyzing performance, coordinating teams. At Postbase, he's building tools to automate the busywork so you can focus on creating great content.

Other posts you might like

How to Add Social Media Icons to an Email Signature

Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

Read more

How to Add an Etsy Link to Pinterest

Learn how to add your Etsy link to Pinterest and drive traffic to your shop. Discover strategies to create converting pins and turn browsers into customers.

Read more

How to Grant Access to Facebook Business Manager

Grant access to your Facebook Business Manager securely. Follow our step-by-step guide to add users and assign permissions without sharing your password.

Read more

How to Record Audio for Instagram Reels

Record clear audio for Instagram Reels with this guide. Learn actionable steps to create professional-sounding audio, using just your phone or upgraded gear.

Read more

How to Add Translation in an Instagram Post

Add translations to Instagram posts and connect globally. Learn manual techniques and discover Instagram's automatic translation features in this guide.

Read more

How to Optimize Facebook for Business

Optimize your Facebook Business Page for growth and sales with strategic tweaks. Learn to engage your community, create captivating content, and refine strategies.

Read more

Stop wrestling with outdated social media tools

Wrestling with social media? It doesn’t have to be this hard. Plan your content, schedule posts, respond to comments, and analyze performance — all in one simple, easy-to-use tool.

Schedule your first post
The simplest way to manage your social media
Rating