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Okay I don't really know where to ask this, but I'm working in PHP at the moment, because its quick and easy so I'll start here.

I've been given the task of converting some old files. I know the files are all images, and we believe most if not all are grayscale.

The images are in a file format "ITW" which we believe dates from around 2005, and were included in RTF documents.

I have searched high and low looking for any information at all on this file format and come up completely blank. So I've started trying to reverse engineer the file format.

There appears to be atleast 2 internal formats. For one of the formats I have discovered most of the header is as follows

ident="ITW_"
unkown=256
width=316
height=238
unkown=8 (possibly bits bet colour i.e grayscale)
unknown=768
unkown=0
datasize=10552

This is then followed by what would presume is the actual image data. Can anybody help with the following section of data, see if they can spot anything that makes sense.

00 04 01 fa 03 00  02 01 20 01 e6 00 04 01   !Ò...ú.. .. .æ...
0020  20 02 56 00 18 00 e0 06  14 00 1a 00 e0 06 3f 00    .V...à. ....à.?.
0030  02 00 e0 02 90 00 54 00  e0 0b 50 00 7f 00 e0 11   ..à..T. à.P..à.
0040  75 00 1d 00 e0 06 aa 00  5c 00 e0 17 a9 01 16 00   u...à.ª. \.à.©...
0050  e0 29 18 00 3b 00 e0 12  ef 0d c3 0e 38 00 70 78   à)..;.à. ï.Ã.8.px
0060  da ed 94 51 0e 80 20 0c  43 9b 1e fd 9d dc 0f 04   Úí”Q.€ . C›.ýÜ..
0070  63 44 62 50 e3 08 ee 6f  84 25 d0 bd 56 9a a6 ac   cDbPã.îo „%нVš¦¬
0080  bf c6 5f a2 ed b3 ee c9  02 4f 6a 8b ac a8 9b 13   ¿Æ_¢í³îÉ .Oj‹¬¨›.
0090  e1 e5 c1 12 2f 2a 46 e6  44 12 20 60 a7 1a f1 36   áåÁ./*Fæ D. `§.ñ6
00a0  db 1f 89 6e dd 4d 1e 74  1c 9e a1 f6 c8 ef 48 14   Û.‰nÝM.t .ž¡öÈïH.
00b0  11 68 b8 8b 8d 37 ae 59  0f 5c 89 cd 01 7e cb a1   .h¸‹7®Y .\‰Í.~Ë¡
00c0  a3 44 86 2f 7b c3 65 14  92 14 0b ae 84 12 17 32   £D†/{Ãe. ’..®„..2
00d0  11 62 25 31 45 23 21 22  11 12 d2 eb 1c 11 24 a6   .b%1E#!" ..Òë..$¦
00e0  09 00 4d 78 da 01 42 00  bd ff 6d d2 8b f4 a2 74   ..MxÚ.B. ½ÿmÒ‹ô¢t
00f0  28 9d 49 6b b3 a7 05 5f  84 8c 40 a8 13 c6 35 f4   (Ik³§._ „Œ@¨.Æ5ô
0100  2c bd ad af 65 cd 44 d9  dc 1c 83 0d a7 7c 70 f1   ,½­¯eÍDÙ Ü.ƒ.§|pñ
0110  2b fd b2 01 00 40 74 c6  e9 04 83 9a ef 26 13 52   +ý²..@tÆ é.ƒšï&.R
0120  a9 7c de b7 95 6c 38 ad  95 6b 83 01 5e 64 20 a3   ©|Þ·•l8­ •kƒ.^d £
0130  01 8e 78 da dd 95 c1 92  dc 30 08 44 bb 5e f3 e5   .ŽxÚÝ•Á’ Ü0.D»^óå
0140  a1 3f 3c 07 49 5e d9 63  4f b6 6a 92 3d 44 2a bb   ¡?<.I^Ùc O¶j’=D*»
0150  6c 83 4c 03 0d 48 ff fb  62 5c 08 40 92 29 97 6d   lƒL..Hÿû b\.@’)—m
0160  6b ec 21 12 b2 d8 4f ad  0f cc bb 31 9b 82 7f d4   kì!.²ØO­ .Ì»1›‚Ô
0170  81 a7 b7 8b 68 ba 78 23  69 25 49 82 79 40 0e 7e   §·‹hºx# i%I‚y@.~
0180  fc f7 c9 f1 73 1c 60 8b  1b ef e0 dd ba c5 42 cd   ü÷Éñs.`‹ .ïàݺÅBÍ
0190  db c3 e8 8d c6 1b e0 bb  b5 53 f2 a8 69 96 1d fd   ÛÃèÆ.à» µSò¨i–.ý
01a0  ee e5 bb 58 c3 43 3a 90  ec 4e c5 95 b2 db 09 f4   îå»XÃC: ìNÅ•²Û.ô
01b0  17 f0 45 23 06 20 8b 19  4d 96 cc 42 60 69 7d e7   .ðE#. ‹. M–ÌB`i}ç
01c0  f0 fb 12 80 87 5c 7f c6  34 90 8f 9a f9 60 b9 3a   ðû.€‡\Æ 4šù`¹:
01d0  cc a0 f3 0b 8c 65 68 3c  83 bb 12 c2 c1 5c 49 52   Ì ó.Œeh< ƒ».ÂÁ\IR
01e0  bd d8 3d 73 fa f4 fc c0  d0 ed 99 c7 4c 7d 54 86   ½Ø=súôüÀ Ðí™ÇL}T†
01f0  8c 3f 5b 93 79 de 8b 40  1c 84 5e 15 62 cd 44 8f   Œ?[“yÞ‹@ .„^.bÍD
0200  9c 8e 76 73 40 7b 4d 24  da 84 5d 48 61 d6 2d b0   œŽvs@{M$ Ú„]HaÖ-°
0210  58 e1 b8 2b b1 7d 03 d6  12 66 12 ca b6 31 e3 be   Xá¸+±}.Ö .f.ʶ1ã¾
0220  d6 1f 22 32 b5 cc b0 3c  95 d3 de d1 bd 04 d9 51   Ö."2µÌ°< •ÓÞѽ.ÙQ
0230  2d cb c3 c4 2c b3 a9 64  d9 52 b7 2c 1b 5c 48 a3   -ËÃÄ,³©d ÙR·,.\H£
0240  27 d9 9e 5a 0b a5 2e 76  56 cb 80 e5 1a 87 3f 67   'ÙžZ.¥.v VË€å.‡?g
0250  67 90 68 b0 0b 4c a7 93  26 55 2e 2b a9 32 2d 1f   gh°.L§“ &U.+©2-.
0260  27 b9 64 80 ef f4 2d 8b  7a ec 3b bc 92 f2 9f 0f   '¹d€ïô-‹ zì;¼’òŸ.
0270  86 6b bb fc 1a 52 03 c6  4a 41 39 dd b1 5d ae 13   †k»ü.R.Æ JA9ݱ]®.
0280  49 61 2b 35 fb 2f 63 2f  a2 48 88 76 9b 22 5e 4c   Ia+5û/c/ ¢Hˆv›"^L
0290  a6 4f 0e 85 48 b4 73 33  01 24 6f b3 e0 93 7d 37   ¦O.…H´s3 .$o³à“}7
02a0  5b 7e 7e 7f cf 9b 10 45  c1 95 44 8e 2b ca 1c 9d   [~~Ï›.E Á•DŽ+Ê.
02b0  29 43 4c c4 90 57 d2 69  32 7a c0 6f 1d 5a 2d 57   )CLÄWÒi 2zÀo.Z-W
02c0  42 73 46 44 14 11 21 11  21 22 21 11 33 12 13 21   BsFD..!. !"!.3..!
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Last Post by Squidge
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The ITW file type is primarily associated with 'Icetips Wizard Editor'. (partially encrypted ini file)

Looks like you need a HEXIDECIMAL viewer

Edited by Squidge

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