You can attach up to 10 files (5 MB each) to the invoices you create in Zoho Books.
To attach a file:
|Drag & Drop
|Upload the files available in your system.
|Upload the files from cloud resources like Zoho Workdrive, Google Drive, Dropbox, One Drive, etc.
|Upload the files from the Documents module in Zoho Books.
Once you upload the file, you can access it by clicking Attach Files on the top right corner of the invoice’s details page.
Online accounting software
for small businesses.