To select more than one photo from your file manager, press Ctrl (Windows) or ⌘ Command (Mac) as you click.

For more options, click the three-dot menu icon. Hover your mouse over your photos and click Edit All if you want to edit them (it will instead say Edit Photo if you have only 1 photo included with your post). You can then crop, rotate, tag the photo, or add alternate text. Click Done to return to the post.

Tap Next to continue.

Tap Next to continue.

For more options, tap the three-dot menu icon. Tap your photos or videos and tap Edit again to edit them. You can crop, rotate, tag the photo, or add alternate text. Click Done to return to the post.

Tap a layout to use it.

Use this method if you’ve already posted something on your own Facebook timeline and want to add a photo to the post. You cannot edit photos that you’ve already posted.

On the mobile app: Tap the photo you want to add to the post, then tap Done/Next at the top right corner of the screen. To select more than one photo, just tap as many photos as you’d like. Select your layout (if you have multiple pictures). You can choose if you want all your pictures to display in the classic layout, or for your text to act like a banner and display in the middle of your pictures. Tap a layout to use it. On a computer: Click the photo you want to add, then click Open at the bottom right corner of the window. To select more than one photo press Ctrl (Windows) or ⌘ Command (Mac) as you click each photo.

Use this method to respond to another person’s Facebook post with your own photo comment.

If you’re having trouble locating the post in your feed, type your friend’s name into the search box at the top of the screen to locate their profile. It should be easier to find there.

On a smartphone or tablet: Tap the photo you want to reply with. On a computer: double-click the photo you want to add from your file manager.

On a computer, press ⏎ Return on a Mac, or ↵ Enter on Windows. On the mobile app, tap the Send icon at the bottom right corner of the screen (it looks like a paper airplane). Your photo will then appear in the comments.