---
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title: Frequently Asked Questions
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version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_co_faq.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_co_faq.htm&release=264.0.0&type=5
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content_type: documentation
content_hash: a60de5976dba5bf1e948ce3fd9bca1bc554ad3237b0186fbf70dffa09d4ed12f
description: Review frequently asked questions about Marketing Cloud Connect for Marketing Cloud Engagement.
products:
  - Marketing
  - Cross Cloud
release: "264"
---
# Frequently Asked Questions

Review frequently asked questions about Marketing Cloud Connect for Marketing Cloud Engagement.

- **[Account, Edition, and Other Compatibility FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_account_edition_compatibility_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement compatibility with product editions, accounts, and more.
- **[Advanced FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_advanced_faqs.htm&release=264.0.0&type=5)**  
    Answers to your advanced questions about Marketing Cloud Connect for Marketing Cloud Engagement.
- **[Authentication FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_authentication_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement authentication, including Connected Apps and OAuth 2.0.
- **[Email Sends and Reports](https://help.salesforce.com/s/articleView?id=mktg.mc_co_email_sends_and_reports_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement email sends and reports.
- **[Encryption](https://help.salesforce.com/s/articleView?id=mktg.mc_co_encryption_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement encryption.
- **[Industry Compliance and Regulations](https://help.salesforce.com/s/articleView?id=mktg.mc_co_industry_compliance_and_regulations_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement industry compliance and regulations.
- **[Installation and Setup FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_installation_and_setup_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement installation and setup.
- **[Multi-Org FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_faqs_for_multi_org.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement multi-org configuration.
- **[Tracking and Unsubscribes](https://help.salesforce.com/s/articleView?id=mktg.mc_co_tracking_and_unsubscribes_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement tracking and unsubscribes.
- **[Upgrade FAQs](https://help.salesforce.com/s/articleView?id=mktg.mc_co_upgrade_faqs.htm&release=264.0.0&type=5)**  
    Answers to your questions about Marketing Cloud Connect for Marketing Cloud Engagement upgrade.