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In the dataset, click Add Items
In the Add Files to Dataset window, browse for the file(s) you want to add
Click on the name of a project to see all folders, files, and tables contained within that project. Note that only files can be selected and added to the dataset
If you want to see the contents of an individual folders, click the dropdown arrow next to a project name, or next to a folder, to reveal all of its contents. This will allow you to select in individual files contained within
You can also search for individual files using the Search for Files tool (Note that you cannot use this tool to search for folders or projects, only individual files)
Click the checkbox next to any of the file(s) that you want to add. If you want to add all files from within a folder, you can click the general checkbox at the top of the list to add all contents. You can also select which version of the file you want to appear in your dataset.
Find more information at Versioning Tables, Views, and Datasets.
Your selections will appear in the Selected box at the bottom. They will remain in this “selected” status, even as you navigate through other folders and files. You can remove individual selections from here if necessary.Once you have selected all of the files you want, click Add Files. All files from your Selected box will be added to the dataset. At this point, before saving the dataset, you can still add or remove files from the dataset, or change the version of any files (see screenshot below)
Click Save to save your current selection and return to the draft dataset
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You can use a DOI (Digital Object Identifier) to generate a permanent link to the dataset. See this article for
Find more information and instructions at Digital Object Identifiers (DOIs).