Sure, you can! Avira Password Manager lets you import your passwords from your browser or from other password managers. Click on Import data under Settings.
Browser: For users with a Windows 10 system, you can directly import your passwords from your browser into Avira Password Manager.
CSV file: Export your passwords into a CSV file from any password manager or browser and import them on Avira Password Manager. After the import, we recommend deleting all unencrypted CSV files or storing them securely.