File storage ← Knowledge Base Which file storage solution should I use? What is the difference between stored files, linked files, stored URLs and linked URLs and which ones are supported by ZotPad? ZotPad tells me that "File cannot be found for download" or "File does not exists on Zotero server" I sent a file ZotPad and get an error message stating "Received an unknown file" ZotPad tells me that a file is "Queued for upload", but the upload does not start. Is this an error? Problems in uploading files to Zotero storage Zotero storage space exceeded Downloading files from WebDAV fails I cannot upload files with WebDAV. What should I do? Getting started with Dropbox sync What is a symbolic link and why should I use one when Zotero and Dropbox? Why do I need to set it up using command line? I have a problem accessing files in Dropbox. What should I do?