| Feature | Office Chat | Microsoft Teams | Slack | |
|---|---|---|---|---|
| Cost | Free trial available and low cost (< $1/User/Mo) |
Free version with limited features, paid versions are expensive |
Free, designed for personal use, not businesses |
Free version with limited features, paid versions are expensive |
| Easy Setup | Less than 5 minutes |
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| Simple & Easy to Use | Requires prior technology knowledge and training |
Requires prior technology knowledge and training |
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| HIPAA Compliant, Will Sign BAA | Unclear | Enterprise plan only |
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| Reliable Customer Support | Live support |
No live support offered |
No live support offered |
No live support offered |
| Lightweight and Fast | Many features are not necessary for productive work |
Many features are not necessary for productive work |
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| Individual & Group Messaging | ||||
| Audio/Video Calls | Groups & Individual |
Groups & Individual |
Individual calls only, no groups |
Group calls require paid version |
| Screen Sharing | Paid version only |
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| Send Files, Pictures, Videos | ||||
| Search Within Chats | ||||
| Extensive Administrative Control | ||||
| Secure | ||||
| Mobile & Desktop Apps | Mobile Only |