Short Answer: Click '+ Add more files to Books' the dashed area and select files from your device; new files will appear under the Side A or Side B card with their filename.
PreRequisites
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Be signed in to the app.
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Have the file(s) ready on your device.
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Permission to modify the Books item if your account is role-gated.
Steps
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Open the Books card on the page so you can see the Books header and any existing files.
You see the Books card and its contents file entries or a dashed add area. -
Click '+ Add more files to Books' at the bottom of the Books card. If you only see a dashed placeholder, click inside that dashed area.
A system file picker opens or the app accepts a dropped file. -
In the file picker, select the file(s) you want to add for example, a .csv file and confirm to upload.
The selected file(s) start uploading. -
Confirm the uploaded file appears under Books. Look for the file icon and filename such as File_name.csv.
The new file entry is listed inside the Books card. -
Repeat clicking '+ Add more files to Books' to upload additional files as needed.
Multiple files appear as separate entries under Books.
Troubleshooting
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Clicking '+ Add more files to Books' does nothing.
LikelyCause: Browser blocked the file picker or a page script failed to load.
Action: Refresh the page, allow pop-ups if your browser blocks them, or try a different browser. -
The file picker opens but the selected file doesn't appear in the Books list.
LikelyCause: Upload failed or the file type/size is not accepted.
Action: Retry the upload. Note the example file shown is a .csv File_name.csv — try a supported format and smaller file if available, and check your network connection. -
I can’t click inside the dashed area.
LikelyCause: An overlay or modal is blocking clicks, or JavaScript is disabled.
Action: Close any open overlays/modals, enable JavaScript, or reload the page.
Note: The dashed box with '+ Add more files to Books' is the upload area. Files appear as entries with an icon and filename once added.