Format comparison
XLS vs PPT
How do XLS and PPTcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.xls
Full guide →Microsoft Excel Spreadsheet (Legacy)
XLS is the legacy binary format used by Microsoft Excel before 2007. While superseded by XLSX, many existing spreadsheets and enterprise systems still use this format.
.ppt
Full guide →Microsoft PowerPoint Presentation (Legacy)
PPT is the legacy binary format for Microsoft PowerPoint presentations. While replaced by PPTX, many older presentation files and templates still use this format.
| Specification | XLS | PPT |
|---|---|---|
| Full name | Microsoft Excel Spreadsheet (Legacy) | Microsoft PowerPoint Presentation (Legacy) |
| Extension | .xls | .ppt |
| MIME type | application/vnd.ms-excel | application/vnd.ms-powerpoint |
| Category | Document | Document |
| Developer | Microsoft | Microsoft |
| Year introduced | 1987 | 1987 |
XLS advantages
- Compatible with older Excel versions
- Widely recognized format
- Supported by all major spreadsheet apps
- Large installed base
XLS limitations
- Limited to 65,536 rows and 256 columns
- Larger file sizes than XLSX
- Binary format — harder to recover
- Missing modern Excel features
PPT advantages
- Compatible with older PowerPoint versions
- Widely recognized
- Still supported by modern software
- Simple for basic presentations
PPT limitations
- Larger files than PPTX
- Binary format — harder to recover
- Missing modern features
- Being phased out
Which should you use?
XLS and PPT serve different purposes. XLS is ideal for legacy spreadsheet compatibility, while PPT excels at opening legacy presentations.
Best uses for XLS
Legacy spreadsheet compatibility
Older enterprise systems
Historical data archives
Backward-compatible exports
Best uses for PPT
Opening legacy presentations
Compatibility with older systems
Archived presentation files
Simple slideshows
Convert between XLS and PPT
Need to switch formats? Convert for free with SquishConvert.