Upgrade Storagehow to change the data that the zotero shows?
i allredy instal it, and sincrinized it, and i have allmost 200 pdf, so zotero makes biographys in automatic way but the citation is the name of the file wich allmost never is the thing that i need
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See the section on "Retrieve Metadata from PDF" here:
https://www.zotero.org/support/getting_stuff_into_your_library
Note, that downloading a PDF and retrieving metadata is almost never the best way to import in the future. In the future, you will want to use the Zotero translator button in your browser.