S.No Feature Supported
Normal Messages Merged Messages
1 One to One Chat YES YES
2 Group Chat YES YES
3 Meeting Chats YES YES
4 Chat Replies YES YES
5 Attachments YES YES (Supported as links & hence will not be available in the 'Files' tab)
6 Chat Topic YES YES
7 Reactions NO NO
8 Source User Name, Message Original Posted DateTime YES (Supported as a HTML) YES (Supported as a HTML)
9 Inline Images and Code Snippet YES YES (Supported as links)
10 Table YES YES
11 Stickers, Emoji and GIF YES YES
12 Stickers with Caption YES YES (Supported as links)
13 News, YouTube, Weather, Praise, Places, Wikipedia, Poly, Forms, Approvals YES YES
14 Approvals with attachments NO NO
15 All Format Text YES YES
16 Mentions YES (Supported as TEXT & the icon will not be displayed) YES (Supported as TEXT & the icon will not be displayed)
17 Files Tab Creation YES YES
18 Activity and Organization Tab Creation NO NO
19 Delivery Options (Importance and Urgent) YES YES (Supported as TEXT & the icon will not be displayed)
20 Chat with external users as participants YES YES
21 Chat initiated by external users NO NO
22 Chat with Guest users as participants YES. Need to map the equivalent guest user in target tenant YES. Need to map the equivalent guest user in target tenant
23 Batch migration and delta passes YES YES
24 Tabs other than Chat, Files NO NO
Group Chat Migration
25 Share Chat History Time  YES NO
26 Group Chat Option - Don’t include chat history YES NO
27 Group Chat Option -Include history from the past number of days YES NO
28 Group Chat Option - Include all chat history YES NO
More Options
29 Mark as unread NO NO
30 Pin NO NO
31 Add to favourite contacts NO NO
32 Mute NO NO
33 Hide NO NO
34 Notify when available NO NO
35 Manage app NO NO


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