Binary dump file format excel
Records may be read or skipped by reading these values, then either reading or skipping the number of bytes specified by cb, depending on the record type specified by rt. Most cell records begin with a 6-byte Cell structure. And eventually, even save operations become possible.
Excel automatically converts numbers that can be represented in 32 bits or less to this format for storage as a way to reduce file size. Read the corresponding DBCell record. This is the BOF record for the worksheet.
Next, a variable length array of cell structures follows to store formatting information, and the last 2 bytes show what column the series of blanks ends on. The third rather redundant value specifies the size of the record type data that is to be used for comparison. The first part is always a record identifier. Excel Binary File Format. Go to the offset in the stream specified binary dump file format excel the lbPlyPos FilePointer.
Passes are more an implementation detail than anything else; you will not have to use these directly in most cases. The rest is an array of XLUnicodeRichExtendedString structures that binary dump file format excel the strings themselves as arrays of characters. Each row block starts with a series of Row records, followed by the cells that go in the rows, and ends with a DBCell record, which gives the starting offset of the first cell of each row in the block.
If the data the record applies to is larger than that, the rest is stored in one or more continue records. The next 6 bytes can be ignored, and the rest of the record is binary dump file format excel CellParsedFormula structure that contains the formula itself. One rather confusing aspect of these maps requires mentioning. Styles, for example, are stored in the global table and are referenced here by index. Each spreadsheet worksheet is stored in its own substream.