Attachment size 📎 September 03, 2025 03:45 Short answer: Max file size per email attachment is 5 MB. 🖼️ For images, use JPG/PNG and compress if needed. ✂️ Split large files into parts or reduce resolution. Related articles Submit a Support ticket 🧾 Image rules 📸🛡️ Phone support ☎️ Change Your Nickname ✨ VIP phone support 📞👑