XLSX (Excel Spreadsheet) is Microsoft Excel's modern XML-based spreadsheet format. It was introduced in 2007 by Microsoft.

Your original XLSX file and the converted WTV file are automatically deleted from our servers within 24 hours for your privacy and security.

WTV (WTV (Windows Recorded TV)) offers several advantages: Better than DVR-MS, Metadata support, Guide data. It is commonly used for windows tv recording and media center content.

Free users can convert XLSX files up to 10 MB. Pro plan supports up to 200 MB, and Business plan supports up to 500 MB per file.

Absolutely. All uploads are encrypted with SSL/TLS, processed on secure servers, and automatically deleted within 24 hours. We never share or access your files.