Upgrade StorageZotero storage
How do I see which files are stored in my Zotero storage?
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Current Usage
My Library - 89.3 MB
How do I know which files are occupying these 89.3 MB?
If you're asking how to tell which specific files are taking the most space, assuming you're using Zotero locally you can use a program that identifies disk usage within a given folder to find the large files. Point that to the 'storage' folder in the Zotero data directory. To get back to an attachment item from a 'storage' subfolder, copy the 8-character folder name and paste it into the Zotero search bar in All Fields & Tags mode.
Note that attachment items in the trash will take up space until you permanently delete them or empty the trash (happens after automatically after 30 days by default).
I usually save all my files in OneDrive. I use Zotfile for this with the rename function. So, after renaming the files are moved to my OneDrive folder. Now, a few days ago, I uploaded in Zotero a bunch of PDFs. I did drag and drop. I read in the forum that when you do drag and drop the files are stored in Zotero, correct? Then I tried to rename all the PDFs individually with Zotfile; I moved all these new files to my OneDrive, but when I checked my Zotero account I noticed that there are some files in there.
Now, I would like to know which files that are stored in Zotero so that I can move them to OneDrive. I need to identify them. Do you know how to do that?