If all images aren't uploading to a Collection, it might be because your computer fell asleep. Here's how to prevent that.
How to add a new Collection and upload photos.
How to add more than one folder of photos at a time to your Collection.
Store jpeg, psd, tiff, pdf, png, Ai, and gif files types!
How Do I Add Images to an Existing Folder?
Adding more photos to a folder.
How Do I Add More Folders to a Collection?
Quickly upload multiple folders to an existing collection.
Can I Replace Images in My Collections?
How to troubleshoot failed uploads or slow upload speeds.