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DeltaSync

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429: 68:. In April 2008, Microsoft sent an email warning that WebDAV would no longer be supported after 30 June 2008. However, in May 2008, Microsoft stated that it would be "postponing the transition deadline previously announced" to allow customers more time to "evaluate alternative solutions". In June 2009, Microsoft announced that WebDAV support would finally end on 1 September 2009. 55:
for supporting various advanced features, like contacts, calendar, and notes synchronization. Using the DeltaSync protocol, Microsoft intended to provide a common platform for any compatible device to implement a client which can two-way synchronize mail, contacts, calendar, and notes.
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after that time. Google's Gmail and some other providers' mail services still work with DeltaSync. Although DeltaSync has sunk, Microsoft's Windows Live Mail 2011 and 2012 continue to work with Hotmail e-mail accounts, by using IMAP (or, less effectively, POP) in place of DeltaSync.
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The DeltaSync compression code produces a stream with a four byte magic number of "HU01", followed by the stream header.
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for synchronizing web services with offline clients. It was switched off by Microsoft on 30 June 2016.
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This is followed by 256 bytes of decompression table and finally the actual compressed data.
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Following this header is a series of compressed data blocks with the following structure.
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client use it for offline access. Microsoft pushed for this protocol instead of
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Daniel Parnell has released the source for DeltaSync decompression code
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In January 2007, Microsoft announced DeltaSync as the replacement for
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This article about software created, produced or developed by
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Independently-supported Java implementation of DeltaSync
355:"Windows Live Mail 2012 will not connect to Outlook.com" 330:"Hotmail access via Outlook Express dies on September 1" 255:"Microsoft Office Outlook Connector Beta Now Available" 106:
Header size (should be greater than or equal to 28)
383:"Add your Outlook com account to another mail app" 305:"Responding to Customer Feedback – Disabling DAV" 481: 400:Daniel Parnell is reverse engineering DeltaSync 464: 410:another person reverse engineering DeltaSync 252: 471: 457: 280:"WebDAV no longer supported on Hotmail" 482: 423: 13: 234:Microsoft Office Outlook Connector 191: 14: 506: 393: 200:mail to use a structure based on 71: 427: 375: 361: 347: 322: 297: 272: 246: 131: 79: 1: 369:"Replace DeltaSync with IMAP" 239: 196:Since Microsoft migrated the 443:. You can help Knowledge by 7: 212: 10: 511: 422: 59: 495:Microsoft software stubs 357:. Microsoft. 2016-06-01. 229:Microsoft Office Outlook 166:Decompressed block size 122:Decompressed file size 27:communications protocol 182:Compressed block size 219:Windows Live Hotmail 150:"SCBH" magic number 98:"HU01" magic number 33:Windows Live Hotmail 452: 451: 253:Brandon LeBlanc. 224:Windows Live Mail 206:Windows Live Mail 186: 185: 126: 125: 45:Windows Live Mail 41:Outlook Connector 39:using DeltaSync; 35:was connected to 502: 473: 466: 459: 431: 424: 387: 386: 379: 373: 372: 365: 359: 358: 351: 345: 344: 342: 341: 326: 320: 319: 317: 316: 307:. Archived from 301: 295: 294: 292: 291: 282:. Archived from 276: 270: 269: 267: 266: 257:. Archived from 250: 136: 135: 84: 83: 510: 509: 505: 504: 503: 501: 500: 499: 480: 479: 478: 477: 420: 396: 391: 390: 381: 380: 376: 371:. 19 June 2016. 367: 366: 362: 353: 352: 348: 339: 337: 328: 327: 323: 314: 312: 303: 302: 298: 289: 287: 278: 277: 273: 264: 262: 251: 247: 242: 215: 194: 192:Discontinuation 134: 82: 74: 62: 37:offline clients 12: 11: 5: 508: 498: 497: 492: 476: 475: 468: 461: 453: 450: 449: 432: 418: 417: 412: 407: 402: 395: 394:External links 392: 389: 388: 374: 360: 346: 321: 296: 271: 244: 243: 241: 238: 237: 236: 231: 226: 221: 214: 211: 193: 190: 184: 183: 180: 176: 175: 172: 168: 167: 164: 160: 159: 156: 152: 151: 148: 144: 143: 140: 133: 130: 124: 123: 120: 116: 115: 112: 108: 107: 104: 100: 99: 96: 92: 91: 88: 81: 78: 73: 72:Format details 70: 61: 58: 9: 6: 4: 3: 2: 507: 496: 493: 491: 488: 487: 485: 474: 469: 467: 462: 460: 455: 454: 448: 446: 442: 438: 433: 430: 426: 425: 421: 416: 413: 411: 408: 406: 403: 401: 398: 397: 384: 378: 370: 364: 356: 350: 335: 331: 325: 311:on 2008-07-04 310: 306: 300: 286:on 2009-12-24 285: 281: 275: 261:on 2007-06-14 260: 256: 249: 245: 235: 232: 230: 227: 225: 222: 220: 217: 216: 210: 207: 203: 199: 189: 181: 178: 177: 173: 170: 169: 165: 162: 161: 157: 154: 153: 149: 146: 145: 141: 138: 137: 129: 121: 118: 117: 113: 110: 109: 105: 102: 101: 97: 94: 93: 89: 86: 85: 77: 69: 67: 57: 54: 50: 46: 42: 38: 34: 30: 28: 25: 22: 18: 490:Windows Live 445:expanding it 434: 419: 377: 363: 349: 338:. Retrieved 336:. 2009-06-02 334:Ars Technica 324: 313:. Retrieved 309:the original 299: 288:. Retrieved 284:the original 274: 263:. Retrieved 259:the original 248: 195: 187: 158:Header size 142:Description 127: 90:Description 75: 63: 31: 16: 15: 198:Outlook.com 174:Block CRC? 132:SCBH header 80:HU01 header 21:proprietary 484:Categories 340:2009-06-03 315:2008-05-07 290:2008-04-25 265:2007-06-14 240:References 202:Office 365 437:Microsoft 24:Microsoft 17:DeltaSync 213:See also 114:Unknown 43:and the 60:History 139:Offset 87:Offset 66:WebDAV 19:was a 439:is a 111:8..31 53:IMAP4 441:stub 49:POP3 51:or 486:: 332:. 179:16 171:12 119:32 472:e 465:t 458:v 447:. 385:. 343:. 318:. 293:. 268:. 163:8 155:4 147:0 103:4 95:0

Index

proprietary
Microsoft
communications protocol
Windows Live Hotmail
offline clients
Outlook Connector
Windows Live Mail
POP3
IMAP4
WebDAV
Outlook.com
Office 365
Windows Live Mail
Windows Live Hotmail
Windows Live Mail
Microsoft Office Outlook
Microsoft Office Outlook Connector
"Microsoft Office Outlook Connector Beta Now Available"
the original
"WebDAV no longer supported on Hotmail"
the original
"Responding to Customer Feedback – Disabling DAV"
the original
"Hotmail access via Outlook Express dies on September 1"
Ars Technica
"Windows Live Mail 2012 will not connect to Outlook.com"
"Replace DeltaSync with IMAP"
"Add your Outlook com account to another mail app"
Daniel Parnell is reverse engineering DeltaSync
Daniel Parnell has released the source for DeltaSync decompression code

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