Convert DOC to XLSX

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DOC vs XLSX Format Comparison

Aspect DOC (Source Format) XLSX (Target Format)
Format Overview
DOC
Microsoft Word Binary Document

Binary document format used by Microsoft Word 97-2003. Proprietary format with rich features but closed specification. Uses OLE compound document structure. Still widely used for compatibility with older Office versions and legacy systems.

Legacy Format Word 97-2003
XLSX
Microsoft Excel Open XML Spreadsheet

Modern spreadsheet format based on Open XML standard. Supports multiple worksheets, formulas, formatting, charts, and pivot tables. The default format for Excel 2007 and later. Compressed XML-based format for smaller file sizes.

Modern Format Excel Standard
Technical Specifications
Structure: Binary OLE compound file
Encoding: Binary with embedded metadata
Format: Proprietary Microsoft format
Compression: Internal compression
Extensions: .doc
Structure: ZIP archive with XML files
Encoding: UTF-8 XML
Format: ECMA-376 Open XML
Compression: ZIP compression
Extensions: .xlsx
Syntax Examples

DOC uses binary format (not human-readable):

[Binary Data]
D0CF11E0A1B11AE1...
(OLE compound document)
Not human-readable

XLSX contains XML inside ZIP (internal structure):

<worksheet>
  <sheetData>
    <row r="1">
      <c r="A1"><v>Name</v></c>
      <c r="B1"><v>Value</v></c>
    </row>
  </sheetData>
</worksheet>
Content Support
  • Rich text formatting and styles
  • Advanced tables with borders
  • Embedded OLE objects
  • Images and graphics
  • Headers and footers
  • Page numbering
  • Comments and revisions
  • Macros (VBA support)
  • Form fields
  • Drawing objects
  • Multiple worksheets
  • Cell formatting (fonts, colors)
  • Formulas and functions
  • Charts and graphs
  • Pivot tables
  • Conditional formatting
  • Data validation
  • Cell comments
  • Images and shapes
  • Named ranges
Advantages
  • Rich formatting capabilities
  • WYSIWYG editing in Word
  • Macro automation support
  • OLE object embedding
  • Compatible with Word 97-2003
  • Wide industry adoption
  • Complex layout support
  • Full Excel compatibility
  • Formulas and calculations
  • Charts and visualizations
  • Multiple sheets in one file
  • Smaller files (ZIP compressed)
  • Open standard (ECMA-376)
  • Works with Google Sheets
  • Data analysis features
Disadvantages
  • Proprietary binary format
  • Not human-readable
  • Legacy format (superseded by DOCX)
  • Prone to corruption
  • Larger than DOCX
  • Security concerns (macro viruses)
  • Poor version control
  • Complex internal structure
  • Not easily human-editable
  • Requires Excel-compatible software
  • Large files for simple data
  • Binary content not in diff tools
Common Uses
  • Legacy Microsoft Word documents
  • Compatibility with Word 97-2003
  • Older business systems
  • Government archives
  • Legacy document workflows
  • Systems requiring .doc format
  • Business reports and analytics
  • Financial modeling
  • Data analysis and visualization
  • Inventory management
  • Project planning
  • Budget tracking
  • Scientific data processing
  • CRM and ERP exports
Best For
  • Legacy Office compatibility
  • Older Word versions (97-2003)
  • Systems requiring .doc
  • Macro-enabled documents
  • Table data with calculations
  • Business spreadsheets
  • Data analysis workflows
  • Shareable reports
  • Charts and visualizations
Version History
Introduced: 1997 (Word 97)
Last Version: Word 2003 format
Status: Legacy (replaced by DOCX in 2007)
Evolution: No longer actively developed
Introduced: 2007 (Office 2007)
Standard: ECMA-376, ISO/IEC 29500
Status: Active, default Excel format
Evolution: Regular updates with Excel
Software Support
Microsoft Word: All versions (read/write)
LibreOffice: Full support
Google Docs: Full support
Other: Most modern word processors
Microsoft Excel: Native support
Google Sheets: Full support
LibreOffice Calc: Full support
Libraries: openpyxl, Apache POI, etc.

Why Convert DOC to XLSX?

Converting DOC documents to XLSX Excel format is ideal when you need to work with tabular data from Word documents in a spreadsheet environment. Excel provides powerful features for data analysis, calculations, and visualization that aren't available in Word.

XLSX is the modern Excel format based on the Open XML standard (ECMA-376). Unlike the binary DOC format, XLSX uses compressed XML, making files smaller and more compatible across different systems and applications.

When you convert DOC to XLSX, tables from the Word document are extracted and placed in Excel worksheets where you can add formulas, create charts, apply conditional formatting, and use Excel's data analysis tools.

Key Benefits of Converting DOC to XLSX:

  • Formula Support: Add calculations and formulas to your data
  • Charts & Graphs: Create visual representations of data
  • Data Analysis: Use pivot tables, filters, and sorting
  • Multiple Sheets: Organize data across worksheets
  • Formatting: Apply colors, fonts, and cell styles
  • Compatibility: Opens in Excel, Google Sheets, LibreOffice
  • Automation: Use with Excel macros or Python libraries

Practical Examples

Example 1: Sales Report

Input DOC file (sales.doc) - Table content:

Monthly Sales Report - Q1 2024

| Product     | January | February | March   | Total    |
|-------------|---------|----------|---------|----------|
| Widget A    | $5,000  | $6,200   | $7,100  |          |
| Widget B    | $3,500  | $4,100   | $3,900  |          |
| Widget C    | $8,200  | $7,800   | $9,500  |          |
| Total       |         |          |         |          |

Output XLSX file (sales.xlsx) - with formulas:

|    A      |    B    |    C     |    D    |     E     |
|-----------|---------|----------|---------|-----------|
| Product   | January | February | March   | Total     |
| Widget A  | 5000    | 6200     | 7100    | =SUM(B2:D2)
| Widget B  | 3500    | 4100     | 3900    | =SUM(B3:D3)
| Widget C  | 8200    | 7800     | 9500    | =SUM(B4:D4)
| Total     |=SUM(B2:B4)|=SUM(C2:C4)|=SUM(D2:D4)|=SUM(E2:E4)

Example 2: Employee Directory

Input DOC file (employees.doc) - Table content:

Employee Directory

| ID   | Name        | Department | Start Date  | Salary   |
|------|-------------|------------|-------------|----------|
| 001  | John Smith  | Sales      | 01/15/2020  | $55,000  |
| 002  | Jane Doe    | Marketing  | 03/22/2019  | $62,000  |
| 003  | Bob Wilson  | IT         | 07/08/2021  | $75,000  |

Output XLSX file (employees.xlsx) - formatted:

Sheet: Employees
- Header row: Bold, Blue background
- Salary column: Currency format ($#,##0)
- Date column: Date format (MM/DD/YYYY)
- Auto-filter enabled on all columns
- Column widths auto-adjusted

Example 3: Inventory List

Input DOC file (inventory.doc) - Table content:

Warehouse Inventory

| SKU     | Item Name    | Qty | Unit Price | Status    |
|---------|--------------|-----|------------|-----------|
| SKU-001 | Laptop Pro   | 25  | $999.99    | In Stock  |
| SKU-002 | Mouse        | 150 | $29.99     | In Stock  |
| SKU-003 | Keyboard     | 8   | $79.99     | Low Stock |
| SKU-004 | Monitor      | 0   | $349.99    | Out       |

Output XLSX file (inventory.xlsx) - with features:

Sheet: Inventory
- Total Value column: =C2*D2 (Qty * Unit Price)
- Conditional formatting:
  - Green: Qty > 20
  - Yellow: Qty 1-20
  - Red: Qty = 0
- Data validation on Status column
- Freeze top row for scrolling

Frequently Asked Questions (FAQ)

Q: What is XLSX?

A: XLSX is the default file format for Microsoft Excel 2007 and later. It's based on the Open XML standard (ECMA-376) and uses ZIP compression containing XML files. XLSX supports worksheets, formulas, formatting, charts, and all modern Excel features.

Q: What content from DOC is converted to XLSX?

A: Tables from the DOC file are converted to Excel worksheets. Each table becomes a separate sheet or section. Text formatting, column widths, and cell alignment are preserved where possible. Non-tabular content may be placed in cells as text.

Q: Will formulas be created automatically?

A: Basic formulas may be suggested based on table structure (e.g., SUM for totals rows). However, complex calculations need to be added manually in Excel after conversion. The conversion focuses on extracting data accurately.

Q: Can I open XLSX in Google Sheets?

A: Yes! Google Sheets fully supports XLSX files. You can upload the file to Google Drive and open it with Sheets, or import it directly. Most formatting, formulas, and features are preserved.

Q: What happens to images and graphics?

A: Images embedded in DOC tables may be preserved in the XLSX output. However, complex graphics, charts from Word, and embedded objects may not convert perfectly. The focus is on data and table structure.

Q: Is XLSX better than XLS?

A: Yes, XLSX (Open XML) is better than the legacy XLS (binary) format. XLSX files are smaller (ZIP compressed), more secure (no macro support unless .xlsm), and based on an open standard. XLSX is the recommended format for modern Excel work.

Q: Can I edit the XLSX with Python?

A: Absolutely! Use the openpyxl library for reading/writing XLSX files. Other options include xlsxwriter for creating files and pandas for data analysis. These libraries provide full access to cells, formulas, formatting, and charts.

Q: Will my DOC tables look the same in Excel?

A: Table structure (rows, columns, data) is preserved accurately. Basic formatting like bold text and alignment is maintained. Some Word-specific formatting (complex borders, merged cells) may be simplified for Excel compatibility.