Free online PST to XLSX converter
How to convert PST email files to XLSX spreadsheets using Outlook, Excel, or specialized tools.
Convert PST to XLSX online - free
Your file is processed instantly and deleted as soon as you download it.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
-
1/3
Upload your .pst file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
-
2/3
Perform .pst to .xlsx conversion
After successful file upload, click to convert when you are ready.
-
3/3
Download converted .xlsx file
Conversion result is ready to download.
Conversion statistics: PST to XLSX
Updated November 15, 2026, from conversions on 101convert.com
How to convert pst to xlsx file
- Internet
- No ratings yet.
101convert.com assistant
1yr
Understanding PST and XLSX file formats
PST (Personal Storage Table) is a file format used by Microsoft Outlook to store emails, calendar events, contacts, and other mailbox items. It is commonly used for backing up or transferring Outlook data.
XLSX is a spreadsheet file format created by Microsoft Excel, part of the Office Open XML standard. It is widely used for storing, analyzing, and sharing tabular data.
Why convert PST to XLSX?
Converting PST to XLSX is useful when you need to analyze or report on email data, such as extracting email addresses, dates, or subjects into a spreadsheet for further processing or sharing.
How to convert PST to XLSX
There is no direct conversion from PST to XLSX, but you can follow these steps:
- Export emails from PST to CSV: Open Microsoft Outlook and import your PST file. Go to File → Open & Export → Import/Export, select Export to a file, then choose Comma Separated Values (CSV). Select the folder (e.g., Inbox) and export the data.
- Convert CSV to XLSX: Open the exported CSV file in Microsoft Excel. Save it as an XLSX file by going to File → Save As and selecting Excel Workbook (*.xlsx).
Best software for PST to XLSX conversion
- Microsoft Outlook – For exporting PST data to CSV.
- Microsoft Excel – For converting CSV to XLSX.
- SysTools PST Converter – A third-party tool that can export PST data directly to XLSX format, streamlining the process.
Tips for successful conversion
- Ensure your PST file is not password-protected or corrupted.
- Choose the correct fields to export (e.g., Subject, From, Date) for your needs.
- Review the CSV data in Excel before saving as XLSX to ensure formatting is correct.
Note: This pst to xlsx conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
PST vs XLSX: format comparison
How the PST and XLSX formats compare on the properties that matter most for this conversion.
| Property | .PST Personal Storage Table | .XLSX Microsoft Excel Open XML Spreadsheet |
|---|---|---|
| Open standard | Partly open | Yes |
| Compression | Both | Both |
| Typical file size | Large | Medium |
| Opens in a web browser | No | Partial |
| Further editing | Limited | Easy |
| Metadata support | Extensive | Extensive |
| Plain-text readable | No | No |
| Best used for | Data exchange | Data exchange |
| Introduced | 1997 | 2007 |
| Developer | Microsoft | Microsoft |
| MIME type | — | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
Information about file extensions and file types is provided by File-Extensions.org
Suggested software and links: pst to xlsx converters
Frequently asked questions
Is the PST to XLSX converter free?
Yes, converting PST to XLSX on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my PST file be?
You can upload PST files up to 30 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 2000 MB per file and 5 files at once, see our plans.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert PST to XLSX?
No. The PST to XLSX conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid PST file for this PST to XLSX conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.