All Collections
Troubleshooting
Solve issues and errors
24 articles
Emails not sent or delivered
Password
Can't send an email
Log in to app
Log in to website
How to log out
Subscription isn't active
Spanish anti-fraud law
Supported devices
Disappeared and last year invoices
App reinstallation or deletion
Add a negative tax (CIS)
Searched document not found
Recover deleted documents
Change Client details on a document
Change Business details on a document
Unsubscribe from newsletter
Cancel invoice
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"We strongly recommend updating your Billdu version"