Make a program to reverse engineer a file format

I need a simple-to-use converter/importer program that does two functions.

This program should analysis the file data and allow me to Convert/Extract the data from .dat format file to .txt/xls/csv/sylk format.

This program should analysis the file data and allow me to Convert/Import the data from .txt/xls/csv/sylk back to the .dat format.

Two .dat files, namely item and slk, are required to be reverse to properly structured readable format. Both files are packed/compressed/compiled into this weird dat format.

Item dat is a single file by itself.

Slk dat is multiple files packed.

Original data are number and texts only. Most likely a .sylk format originally.

When open on notepad, most texts are readable but numbers are all unreadable.

As for structure, it is messy and unknown. It is GBK encoded.

Files language are mixed English and Chinese.

Game mmorpg related.

Image of the .dat files : [login to view URL]

I uploaded 1 of the dat file. Please have a check on the dat that I have uploaded before consider bidding.

Evner: .NET, Binær analyse, C# Programmering, C++ Programmering, Spiludvikling

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Om arbejdsgiveren:
( 0 bedømmelser ) Singapore

Projekt ID: #18024859

7 freelancere byder i gennemsnit $327 på dette job

$888 SGD in 15 dage
(102 bedømmelser)

I am an experienced ASP.NET developer with six years behind the keyboard. I have been on the lookout for new opportunities and was fortunate enough to come across your current listing on the LiveCareer website. I t Flere

$200 SGD in 3 dage
(12 bedømmelser)

I am expert who understands the value of time. I pride myself in my attention to detail. I am very hard working and aim to deliver in less time than quoted. I want to make you, my employer happy without changing my bid Flere

$250 SGD in 3 dage
(10 bedømmelser)

I have experience reverse engineering files, including one project on freelancer If awarded i can produce a program that reads these files Producing new files should be possible but i won't be able to test them Flere

$200 SGD in 5 dage
(1 bedømmelse)

Hello good day. I'm a C# developer with experience in desktop development and I can help you develop a solution to solve your problem if you provide more details. For now all i can understand is that you are try Flere

$227 SGD in 3 dage
(2 bedømmelser)
$188 SGD in 4 dage
(0 bedømmelser)

Hi, I will need more information but I can made it in just one week. I have experencie reverting Industrial network protocols. And due the fact that the first look of the files doesnt seem to be encrypted, I t Flere

$333 SGD in 3 dage
(0 bedømmelser)