Yes, you can upload multiple photos at the same time. The table below outlines limitations for each social media network. 

Platform: Facebook
Type: Photo < 9 photos

Platform: Facebook
Type: Album < 30 photos

Platform: Facebook, Instagram
Type: Carousel < 10 photos

Platform: LinkedIn
Type: Photo < 9 photos

Platform: Twitter
Type: Photo < 4 photos

If you are interested to learn more about dimensions, size & formats limitations of videos and photos, please read this article

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