Do You Have an Attachment File Size Limit? Jodie Baer March 28, 2019 03:40 Updated The size limit of each image uploaded into Loopio is 3 MB. Other documents have a file size limit of 10 MB each. Related articles What Is a Magnet Attachment? Which Library Entries Are My Attachments Used In? How Do I Import Questions from my Source Documents to a Project? Project Entries: How Do I Add an Attachment From My Attachment Library? Library Entries: How Do I Add an Attachment From My Computer?