248:
1455:
162:
3161:
47:
453:
All collaboration sessions get automatically defined as conferences, where clients can invite more contacts. Conference initiators (usually called "organizers") can either promote participants to act as presenters or demote them to act as attendees. They can also define some basic policies about what
424:
Note: With the release of Lync Server 2013 in
October 2012, a new collaboration feature "Persistent Group Chat" which allows multi-party chat with preservation of content between chat sessions was introduced. However, only the native Windows OS client and no other platform supports this feature at
469:
instant-messaging protocol for some features. As with most instant-messaging platforms, non-Microsoft instant-messaging clients that have not implemented these publicly available extensions may not work correctly or have complete functionality. Skype for
Business supports
259:, a consumer IM platform it had acquired in 2011. This initially included support for text and voice communications. On November 11, 2014, Microsoft announced that Lync would be renamed Skype for Business in 2015, also adding support for video calls with Skype users.
1387:
682:
478:
protocol, although support for XMPP has been deprecated in Skype for
Business 2019. Text instant-messaging in a web browser is available via Skype for Business integration within Exchange Outlook Web App.
232:, a new cloud-based collaboration platform. Support for Skype for Businesses Online ended in July 2021, although a new version of Skype for Business Server will be available with a subscription license.
945:
281:
in late 2018, and announced in July 2019 that the hosted Skype for
Business Online will cease functioning on July 31, 2021. Since September 2019, Skype for Business Online is no longer offered to new
630:
774:
573:
828:
805:
429:
capabilities, (which allow teams of people to see and simultaneously work on the same documents and communications session). Lync and Skype for
Business implement these features as follows:
56:
277:) integrating persistent messaging, video conferencing, file storage, and application integration. Microsoft released a final on-premises version of Skype for Business Server as part of
743:
593:
1421:
1197:
1379:
1163:
490:
do have wider support by third-party clients, these protocols have been largely reverse-engineered by outside developers. Microsoft does offer details of its extensions on
225:(which had begun to integrate with Lync in 2013). Despite the same branding, Skype for Business and Skype have almost nothing in common and function as separate platforms.
1081:
883:
244:, released on March 19, 2009. Microsoft released the successor to Office Communicator, Lync 2010, on January 25, 2011. In November 2010, the platform was renamed Lync.
914:
1137:
1918:
1400:
Effective May 20, 2018, the
Windows Phone app for Skype for Business will be retired and will no longer be available for download from the Windows Phone Store.
937:
457:
Following
Microsoft's acquisition of Skype in May 2011, the Lync and Skype platforms could be connected, but sometimes only after lengthy provisioning time.
285:
subscribers, and are being directed to
Microsoft Teams instead. The next version of Skype for Business Server will be available with a subscription license.
622:
221:
The software was previously named Lync before rebranding to Skype for
Business in 2015, co-branding it with the Microsoft-owned consumer messaging platform
3190:
766:
1475:
1258:
1293:
2289:
1325:
832:
797:
712:
2887:
1050:
735:
440:
documents, where the participants can control and see presentations, as well as allow everybody to add text, drawing and graphical annotations.
597:
17:
1413:
3215:
3136:
1470:
1185:
1357:
396:. The server can be set to relay messages to other instant messaging networks, avoiding installation of extra software at the client side.
2253:
1502:
967:
3200:
1159:
3013:
1522:
240:
Microsoft released Office
Communicator 2007 to production on July 28, 2007, and launched it on October 27, 2007. It was followed by
2993:
1020:
652:
686:
2412:
1543:
568:
433:
Collaboration through Whiteboard documents, where the participants have freedom to share text, drawing and graphical annotations.
392:. This makes communications more secure, as messages do not need to leave the corporate intranet, unlike with the Internet-based
1073:
875:
210:
version offered as part of 365. It supports text, audio, and video chat, and integrates with Microsoft 365 components such as
2559:
510:
Windows (Pro and Enterprise only, can download free Skype for Business Basic client) and macOS (included with Microsoft 365)
3141:
906:
2913:
269:
On September 25, 2017, Microsoft announced that Skype for Business Online would be discontinued in the future in favor of
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466:
414:
1133:
2554:
2349:
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495:
2998:
132:
1111:
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305:
298:
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2195:
1578:
1245:
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2574:
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1460:
556:
1315:
3126:
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presenters and attendees can see and do. Deeper details of policy permissions are defined at server level.
1405:
708:
2918:
2541:
2432:
2405:
1573:
1011:
498:
kit to help developers build platforms that can interoperate with Skype for Business Server and clients.
491:
403:
82:
449:
Windows applications sharing, by allowing participants to see and collaborate on a specific application.
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1223:
121:
1042:
3195:
3164:
2698:
2314:
1900:
1895:
1538:
389:
374:
228:
In September 2017, Microsoft announced that it would phase out Skype for Business Online in favor of
211:
203:
474:
and IM to other popular instant message services such as AOL, Yahoo, MSN, and any service using the
3131:
2713:
2185:
410:
161:
1745:
399:
A number of client types are available for Microsoft Skype for Business, including mobile clients.
3205:
2953:
2718:
1465:
443:
Polling lists, where Presenters can organize polls and all participants can vote and see results.
379:
Users can retrieve contact lists from a local directory service such as Microsoft Exchange Server
3225:
3008:
2943:
2398:
2019:
1810:
1347:
426:
393:
1104:"Pidgin project trouble ticket describing problems with Microsoft's SIP/Simple Implementation"
860:
767:"Microsoft Announces Skype And Lync Interoperability With IM & Audio To Start, Video Soon"
3210:
3146:
3105:
3060:
2983:
2604:
2599:
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2589:
2569:
2564:
2531:
2526:
2521:
2516:
2511:
2506:
2501:
2496:
2486:
981:
546:
483:
263:
207:
446:
Desktop sharing, usually by allowing participants to see and collaborate on a Windows screen
425:
this time. The main new features of this version are the addition of real-time multi-client
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2847:
2761:
2657:
2549:
2468:
2334:
2142:
2085:
1994:
1790:
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551:
8:
3003:
2973:
2933:
2928:
2667:
2491:
2481:
2476:
2200:
2162:
2157:
2029:
2009:
1865:
1840:
1548:
183:
1454:
1006:
660:
2938:
2832:
2822:
2797:
2746:
2284:
2014:
1949:
1805:
1695:
471:
1414:"Microsoft retiring Skype for Business, Microsoft Teams, and Yammer for Windows phone"
2948:
2852:
2842:
2827:
2756:
2751:
2662:
2652:
2647:
2457:
2130:
1612:
1600:
1553:
1511:
1107:
848:
529:
370:
345:
187:
255:
In May 2013, Microsoft announced that it would allow Lync users to communicate with
3055:
2978:
2882:
2862:
2637:
2448:
2135:
2115:
1944:
1820:
1780:
1466:
Download Microsoft Skype for Business Basic from Official Microsoft Download Center
972:
487:
382:
274:
199:
108:
247:
3090:
3045:
2988:
2877:
2872:
2812:
2807:
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2677:
2672:
2642:
2228:
2059:
1979:
1775:
1770:
1765:
1710:
1665:
1568:
270:
229:
829:"Skype for Business announces new Mac client and new mobile sharing experiences"
55:
3185:
2968:
2958:
2897:
2867:
2817:
2781:
2771:
2708:
2682:
2359:
2319:
2039:
1939:
1860:
1680:
1670:
1645:
1633:
1590:
907:"Microsoft Teams is replacing Skype for Business to put more pressure on Slack"
518:
iOS (Microsoft app in iTunes app store; alternative client provided by TEL.RED)
191:
938:"Live Communications Server 2003 limits instant messaging to authorized users"
521:
Android (Microsoft app in Google Play; alternative client provided by TEL.RED)
3179:
2766:
2421:
2364:
2329:
2152:
1760:
525:
282:
2802:
2344:
2304:
2294:
1969:
1875:
1638:
1285:
1250:
273:, a cloud-based collaboration platform for corporate groups (comparable to
266:. On October 27, 2016, the Skype for Business for Mac client was released.
3100:
3019:
2891:
2837:
2741:
2269:
1705:
1700:
1352:
1320:
594:"Finding your way through Microsoft's maze of work and personal accounts"
278:
27:
Enterprise instant messaging and video conferencing software by Microsoft
506:
As of May 2018, the following Skype for Business clients are available:
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2703:
2309:
2180:
2120:
2034:
2004:
1845:
1835:
1830:
1785:
1563:
1290:
1255:
1103:
437:
215:
66:
262:
On September 22, 2015, Skype for Business 2016 was released alongside
2438:
2095:
1959:
1755:
1193:
1016:
977:
362:
195:
71:
46:
1480:
1448:
574:
List of Microsoft–Nortel Innovative Communications Alliance products
146:
2923:
2369:
2354:
2324:
2299:
2274:
2049:
1999:
1989:
1954:
1885:
1850:
1825:
1800:
1735:
1685:
798:"Microsoft waves goodbye to Lync, says hello to Skype for Business"
2279:
2205:
2125:
2090:
1964:
1855:
1725:
1720:
1715:
1690:
113:
2390:
876:"Microsoft will drop Skype for Business Online on July 31, 2021"
2379:
2374:
2210:
2110:
2100:
2044:
1984:
1880:
1750:
1740:
1380:"Install Skype for Business on a mobile device – Windows Phone"
653:"Microsoft Office Communicator 2007 Releases to Manufacturing"
304:
Windows Messenger 5.1 and Microsoft Office Communicator 2005 (
2233:
2190:
2105:
2080:
2075:
2054:
2024:
1934:
1905:
1890:
1870:
1815:
256:
222:
117:
31:
1219:
388:
All communication between the clients takes place through a
2339:
2172:
1974:
1730:
1595:
736:"Microsoft Lync 2010 arrives, succeeds Office Communicator"
475:
898:
465:
Skype for Business uses a number of extensions to the SIP/
1134:"Configure XMPP gateway access policies and certificates"
385:
can show if other people are working on the same document
125:
1461:
Download Skype for Business Apps Across All Your Devices
1007:"Microsoft Office Communicator 2007 Protocol Documents"
826:
659:. Microsoft Corporation. July 28, 2007. Archived from
968:"Microsoft Office Communicator 2007 product overview"
361:Advanced features relate to integration with other
202:suite. It is designed for use with the on-premises
2290:Comparison of user features of messaging platforms
406:as the basis for its client communication protocol
341:The Basic features of Skype for Business include:
532:apps were discontinued by Microsoft in May 2018.
417:to encrypt and secure signaling and media traffic
3177:
1476:Skype for Business Online to Be Retired in 2021
1411:
1043:"Client comparison tables for Lync Server 2013"
623:"The Next Version of Skype for Business Server"
2406:
1496:
1178:
1001:
999:
683:"Microsoft Communicator 2007 Life-cycle Info"
1074:"How to integrate Skype with Microsoft Lync"
827:Skype for Business Team (October 27, 2016).
709:"Microsoft Lync 2010 Life-cycle Information"
3191:Innovative Communications Alliance products
2254:List of defunct instant messaging platforms
1471:Install Skype for Business – Office Support
733:
2413:
2399:
1503:
1489:
1453:
996:
160:
45:
1246:"Skype for Business (formerly Lync 2013)"
820:
246:
88:16.0.15601.20578 / March 3, 2023
1412:Thorp-Lancaster, Dan (April 23, 2018).
1360:from the original on September 19, 2016
1281:"Sky – for Lync and Skype for Business"
1023:from the original on September 26, 2008
917:from the original on September 25, 2017
734:Protalinski, Emil (November 17, 2010).
569:Comparison of web conferencing software
541:Similar discontinued Microsoft products
14:
3178:
1328:from the original on December 25, 2015
1261:from the original on November 26, 2015
1071:
904:
886:from the original on September 6, 2020
795:
633:from the original on February 26, 2021
2394:
1510:
1484:
1390:from the original on January 19, 2019
1200:from the original on November 4, 2016
935:
873:
764:
3142:Microsoft Office password protection
1348:"Sky: Lync & Skype for Business"
1226:from the original on January 5, 2017
1140:from the original on August 14, 2020
1053:from the original on August 26, 2017
617:
615:
482:Although other IM protocols such as
332:Skype for Business for Microsoft 365
3216:Android (operating system) software
1084:from the original on April 13, 2021
808:from the original on August 6, 2020
796:Keizer, Gregg (November 11, 2014).
777:from the original on April 16, 2022
746:from the original on April 13, 2012
689:from the original on March 30, 2022
24:
1166:from the original on July 20, 2020
905:Warren, Tom (September 25, 2017).
369:Availability of contacts based on
251:Microsoft Lync logo (2013 version)
25:
3237:
3201:Windows instant messaging clients
2420:
1440:
1424:from the original on May 29, 2018
948:from the original on July 5, 2019
715:from the original on May 26, 2021
612:
3160:
3159:
1316:"Skype for Business for Android"
1296:from the original on May 9, 2016
1114:from the original on May 8, 2008
874:Foley, Mary Jo (July 30, 2019).
54:
30:Not to be confused with regular
1372:
1340:
1308:
1273:
1238:
1212:
1152:
1126:
1096:
1065:
1035:
960:
929:
867:
306:Live Communications Server 2005
299:Live Communications Server 2003
200:Microsoft 365 (formerly Office)
137:Audio, Video, Instant Messaging
936:Yager, Tom (October 3, 2003).
789:
758:
727:
701:
675:
645:
586:
13:
1:
3111:Visual Basic for Applications
765:Perez, Sarah (May 29, 2013).
657:Office Communicator Team Blog
579:
557:Microsoft Office Live Meeting
460:
18:Microsoft Office Communicator
3127:Microsoft Product Activation
3086:Object Linking and Embedding
3081:Information Bridge Framework
1186:"Install Skype for Business"
1072:Greene, Tim (May 29, 2013).
7:
627:TECHCOMMUNITY.MICROSOFT.COM
535:
515:Linux (provided by TEL.RED)
336:
314:Office Communicator 2007 R2
288:
242:Office Communicator 2007 R2
10:
3242:
3137:Office filename extensions
3046:Snapshot Viewer for Access
501:
294:Exchange 2000 Conferencing
235:
29:
3155:
3119:
3073:
2914:Discontinued shared tools
2906:
2790:
2729:
2699:Skype for Business Server
2691:
2630:
2617:
2540:
2456:
2447:
2428:
2262:
2246:
2219:
2171:
2068:
1927:
1914:
1896:Windows Messenger service
1658:
1621:
1531:
1518:
390:Skype for Business Server
375:Microsoft Exchange Server
329:Skype for Businesses 2019
326:Skype for Businesses 2016
323:Skype for Businesses 2015
204:Skype for Business Server
141:
131:
107:
103:
81:
77:
65:
53:
44:
3132:Office Genuine Advantage
3014:Project Portfolio Server
1160:"Lync 2010 API Concepts"
311:Office Communicator 2007
2994:PerformancePoint Server
297:Windows Messenger 5.0 (
90:; 18 months ago
3221:Business chat software
629:. September 25, 2020.
436:Collaboration through
427:collaborative software
394:Windows Live Messenger
252:
547:Windows Meeting Space
373:contacts stored in a
250:
208:software as a service
3036:SharePoint Workspace
2335:Presence information
1162:. January 20, 2015.
835:on December 21, 2016
552:Microsoft NetMeeting
420:Allows sharing files
3031:SharePoint Designer
663:on October 18, 2007
409:Offers support for
184:enterprise software
180:Office Communicator
41:
3096:Office XML formats
3051:Skype for Business
2833:Outlook on the web
2148:Skype for Business
1995:Facebook Messenger
1791:Facebook Messenger
984:on 19 October 2007
859:has generic name (
472:federated presence
253:
172:Skype for Business
60:Skype for Business
40:Skype for Business
39:
3173:
3172:
3069:
3068:
2613:
2612:
2388:
2387:
2242:
2241:
1654:
1653:
1512:Instant messaging
1047:Microsoft TechNet
530:Windows 10 Mobile
371:Microsoft Outlook
346:Instant messaging
188:instant messaging
169:
168:
16:(Redirected from
3233:
3196:Microsoft Office
3163:
3162:
2979:Office Assistant
2628:
2627:
2454:
2453:
2449:Microsoft Office
2415:
2408:
2401:
2392:
2391:
2340:RingCentral Glip
1925:
1924:
1529:
1528:
1505:
1498:
1491:
1482:
1481:
1457:
1452:
1451:
1449:Official website
1434:
1433:
1431:
1429:
1409:
1403:
1402:
1397:
1395:
1376:
1370:
1369:
1367:
1365:
1344:
1338:
1337:
1335:
1333:
1312:
1306:
1305:
1303:
1301:
1277:
1271:
1270:
1268:
1266:
1242:
1236:
1235:
1233:
1231:
1220:"Lync for Linux"
1216:
1210:
1209:
1207:
1205:
1182:
1176:
1175:
1173:
1171:
1156:
1150:
1149:
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1130:
1124:
1123:
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1119:
1100:
1094:
1093:
1091:
1089:
1069:
1063:
1062:
1060:
1058:
1039:
1033:
1032:
1030:
1028:
1003:
994:
993:
991:
989:
980:. Archived from
973:Microsoft Office
964:
958:
957:
955:
953:
933:
927:
926:
924:
922:
902:
896:
895:
893:
891:
871:
865:
864:
858:
854:
852:
844:
842:
840:
831:. Archived from
824:
818:
817:
815:
813:
793:
787:
786:
784:
782:
762:
756:
755:
753:
751:
731:
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724:
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705:
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696:
694:
679:
673:
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668:
649:
643:
642:
640:
638:
619:
610:
609:
607:
605:
596:. Archived from
590:
494:and provides an
383:Microsoft Office
206:software, and a
186:application for
165:
164:
157:
154:
152:
150:
148:
109:Operating system
98:
96:
91:
58:
49:
42:
38:
21:
3241:
3240:
3236:
3235:
3234:
3232:
3231:
3230:
3176:
3175:
3174:
3169:
3151:
3115:
3091:Office Open XML
3065:
2999:Picture Manager
2989:OneDrive Groups
2902:
2786:
2725:
2687:
2619:
2609:
2536:
2443:
2424:
2419:
2389:
2384:
2258:
2238:
2229:Microsoft Teams
2215:
2167:
2064:
1928:Single protocol
1916:
1910:
1851:Textfree/Pinger
1711:Google Messages
1650:
1617:
1569:Signal Protocol
1520:
1514:
1509:
1447:
1446:
1443:
1438:
1437:
1427:
1425:
1418:Windows Central
1410:
1406:
1393:
1391:
1378:
1377:
1373:
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1346:
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1341:
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1309:
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1097:
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1070:
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1024:
1005:
1004:
997:
987:
985:
966:
965:
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951:
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934:
930:
920:
918:
903:
899:
889:
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872:
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856:
855:
846:
845:
838:
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825:
821:
811:
809:
794:
790:
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778:
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728:
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692:
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636:
634:
621:
620:
613:
603:
601:
600:on May 30, 2020
592:
591:
587:
582:
538:
504:
463:
357:Desktop sharing
339:
291:
271:Microsoft Teams
238:
230:Microsoft Teams
198:as part of the
159:
145:
99:
94:
92:
89:
61:
35:
28:
23:
22:
15:
12:
11:
5:
3239:
3229:
3228:
3223:
3218:
3213:
3208:
3206:Videotelephony
3203:
3198:
3193:
3188:
3171:
3170:
3168:
3167:
3156:
3153:
3152:
3150:
3149:
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3113:
3108:
3103:
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3088:
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3077:
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3067:
3066:
3064:
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3058:
3053:
3048:
3043:
3038:
3033:
3028:
3023:
3016:
3011:
3006:
3001:
2996:
2991:
2986:
2981:
2976:
2971:
2966:
2961:
2956:
2951:
2946:
2941:
2936:
2931:
2926:
2921:
2916:
2910:
2908:
2904:
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1190:Office support
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192:videotelephony
176:Microsoft Lync
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2954:Liquid Motion
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1386:. Microsoft.
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19:
3211:IOS software
3120:Other topics
3074:Technologies
3050:
3041:Shared tools
3018:
3009:Photo Editor
2964:Live Meeting
2944:InterConnect
2907:Discontinued
2618:Applications
2345:SMS language
2305:File sharing
2295:Contact list
2147:
1970:HCL Sametime
1876:VK Messenger
1746:IRC Networks
1426:. Retrieved
1417:
1407:
1399:
1392:. Retrieved
1383:
1374:
1362:. Retrieved
1351:
1342:
1332:December 31,
1330:. Retrieved
1319:
1310:
1298:. Retrieved
1286:iTunes Store
1284:
1275:
1265:November 22,
1263:. Retrieved
1251:iTunes Store
1249:
1240:
1228:. Retrieved
1214:
1202:. Retrieved
1189:
1180:
1168:. Retrieved
1154:
1144:September 7,
1142:. Retrieved
1128:
1116:. Retrieved
1098:
1086:. Retrieved
1077:
1067:
1055:. Retrieved
1046:
1037:
1025:. Retrieved
1010:
986:. Retrieved
982:the original
971:
962:
950:. Retrieved
941:
931:
919:. Retrieved
910:
900:
888:. Retrieved
879:
869:
837:. Retrieved
833:the original
822:
810:. Retrieved
801:
791:
779:. Retrieved
770:
760:
748:. Retrieved
740:Ars Technica
739:
729:
717:. Retrieved
703:
691:. Retrieved
677:
665:. Retrieved
661:the original
656:
647:
635:. Retrieved
626:
602:. Retrieved
598:the original
588:
524:
505:
481:
464:
456:
452:
423:
360:
340:
268:
261:
254:
241:
239:
227:
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179:
175:
171:
170:
67:Developer(s)
36:
3101:Power Pivot
3061:Word Viewer
3020:Ribbon Hero
2984:Office Live
2892:Viva Engage
2838:Outlook.com
2270:Backchannel
2158:Thunderbird
1706:Google Meet
1701:Google Chat
1353:Google Play
1321:Google Play
1222:. TEL.RED.
1204:November 2,
890:February 9,
812:February 9,
781:February 9,
750:February 9,
693:October 25,
354:Video calls
351:Audio calls
279:Office 2019
264:Office 2016
3180:Categories
3106:Smart tags
2919:Accounting
2858:SharePoint
2848:PowerPoint
2762:PowerPoint
2704:SharePoint
2658:PowerPoint
2310:FirstClass
2181:ChatSecure
2121:Miranda NG
2005:Retroshare
1919:comparison
1796:The Palace
1786:Mattermost
1781:Marco Polo
1564:Retroshare
1523:comparison
1291:Apple Inc.
1256:Apple Inc.
1230:January 1,
1057:August 26,
1027:August 15,
988:10 October
771:TechCrunch
580:References
461:Extensions
438:PowerPoint
365:software:
216:SharePoint
174:(formerly
95:2023-03-03
3026:Schedule+
3004:PhotoDraw
2974:Classroom
2934:FrontPage
2929:Entourage
2668:Publisher
2439:Microsoft
2153:Telepathy
2096:Centericq
1960:Gadu-Gadu
1756:KakaoTalk
1519:Protocols
1394:March 18,
1364:April 17,
1300:April 17,
1194:Microsoft
1170:March 18,
1088:March 24,
1017:Microsoft
978:Microsoft
952:March 16,
942:InfoWorld
911:The Verge
839:March 18,
719:March 18,
667:March 18,
363:Microsoft
320:Lync 2013
317:Lync 2010
196:Microsoft
155:/business
72:Microsoft
3165:Category
2939:InfoPath
2924:Docs.com
2823:OneDrive
2798:Bookings
2747:OneDrive
2370:Web chat
2355:U-Report
2325:Hall.com
2320:Fuze Box
2300:Emoticon
2275:Chat log
2263:See also
2163:Trillian
2143:QIP 2010
2116:Messages
2050:WhatsApp
2030:Telegram
2010:Ricochet
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