Yes, digital marketing can be done offline. While digital marketing typically involves using the internet and electronic devices to reach customers, it is possible to use offline channels as well. Some examples of offline digital marketing strategies include:

1. Direct mail: sending promotional materials through the mail
2. Print advertising: placing ads in newspapers, magazines, or other printed materials
3. Outdoor advertising: using billboards, bus shelters, and other physical structures to display advertisements
4. Radio and television advertising: placing ads on radio or television programs
5. Telemarketing: making sales or marketing calls to potential customers over the phone

By using a combination of online and offline strategies, businesses can reach a wider audience and effectively promote their products or services.