A file preview allows you to view, comment on, and share files without downloading them. The only file type you can edit from a preview is a PDF. Learn more about editing PDFs in Dropbox.
To preview a file on dropbox.com or the mobile app, click the name of the file. There you will see comments, activity, and other information about the file.
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If you see an error message when you try to preview a file, visit this article.
If not, check that your file type is supported.
If your file type isn’t supported or won’t preview, you can download it to your computer and open it in an application on your computer to view it.
If you’re trying to preview one of the following file types, you’ll only be able to preview the first page or frame of your file. You’ll be able to see the rest of the pages if you download and open the file.
Dropbox preserves the date your file was modified when you upload it through the Dropbox desktop app. For example, this can happen if you last modified a file 3 months ago but uploaded it yesterday.
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