How to load Word document from byte array

Question

I have the whole MS Word file itself saved into a byte array.A want to load it the way I would if it was on file system but with the minimal use of Microsoft.Office.Interop.Word because it is very slow when it gets the the .Open(args[]) part.

What you want to do./.. You want to read the file .. or Write the file ??? — Aravind, Aug 12 '13 at 10:28
See Down i have answered and put your file path in that code...you will get the answer — Aravind, Aug 12 '13 at 12:10
Possible duplicate of [How to create Microsoft.Office.Interop.Word.Document object from byte array, without saving it to disk?](https://stackoverflow.com/questions/13227828/how-to-create-microsoft-office-interop-word-document-object-from-byte-array-wit) — Adam, Jun 14 '17 at 08:57

Aravind · Answer 1 · 2013-08-12T12:11:38.570

4

Try this....

      byte[] bte = File.ReadAllBytes("E:\\test.doc"); // Put the Reading file
        File.WriteAllBytes(@"E:\\test1.doc", bte); // Same contents you will get in byte[] and that will be save here

edited Aug 12 '13 at 12:11

answered Aug 12 '13 at 10:33

Aravind

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It still uses filesystem I/O. I believe the author is looking for a solution that keeps the `byte[]` in memory without writing the file to disk? – Adam Jun 14 '17 at 08:34

Darkseal · Answer 2 · 2018-10-19T15:04:17.753

2

There is no supported way to do it right off-the-bat using Interop.Word, as there are no methods supporting byte arrays.

As a viable workaround you can use a temporary file in the following way:

// byte[] fileBytes = getFileBytesFromDB();
var tmpFile = Path.GetTempFileName();
File.WriteAllBytes(tmpFile, fileBytes);

Application app = new word.Application();
Document doc = app.Documents.Open(filePath);

// .. do your stuff here ...

doc.Close();
app.Quit();
byte[] newFileBytes = File.ReadAllBytes(tmpFile);
File.Delete(tmpFile);

Fore additional info, read this post on my blog.

edited Oct 19 '18 at 15:04

answered May 03 '17 at 14:16

Darkseal

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Can we Convert an Application object to byte[] array with saving a file ? – Mohan Singh Jan 16 '19 at 11:52

score -2 · Answer 3 · answered Aug 12 '13 at 11:59

The method public static byte[] ReadAllBytes( string path ) returns all the file information into a byte array. You dont have to worry about the stream, as the MSDN documentation says: "Given a file path, this method opens the file, reads the contents of the file into a byte array, and then closes the file."

Check out this link if you want more information

How to load Word document from byte array

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