Convert WK1 to XLSX
Choose file to convert
You have the option to convert your wk1 file to xlsx, as well as a variety of other formats, using our free online converter.
How to convert wk1 to xlsx?
Step 1
Upload wk1-file
You can select wk1 file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Step 2
Select «to xlsx»
Choose xlsx or any of the other 200+ supported formats you'd like to convert to.
Step 3
Download your xlsx file
Please wait for the conversion to complete, then click on the download button to obtain your converted file in the xlsx format.
The security of your files is our priority
Understanding the importance of the security of our users' data, we have implemented a number of measures to ensure reliable file conversion without the risk of information leakage or privacy violations.
Data encryption
All information uploaded to our platform is SSL encrypted, ensuring privacy during transmission.
Safe storage
After the conversion is completed, the files are stored on secure servers for 24 hours and are automatically destroyed, excluding access by third parties.
Harmless scripts
Our file conversion tools are regularly tested for malicious code or vulnerabilities to eliminate the risk of a potential cyber attack.
Best tool to convert wk1 to xlsx
wk1 to xlsx Fast and easy
Simply drag and drop your wk1 files onto the webpage, and you'll be able to convert them to xlsx or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
Secure wk1 to xlsx Conversion
As soon as you upload your wk1 files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
No Software Installation Required
You don't have to go through the hassle of installing any software. We handle all wk1 to xlsx conversions in the cloud, which means that none of your computer's resources will be used in the process.
wk1
| Extension | .wk1 |
| Category | 🔵 documents |
| Description | 🔵 WK1 is a spreadsheet file format used by Lotus 1-2-3, a popular spreadsheet software in the 1980s and 1990s. It served as the primary format for Lotus 1-2-3 until the release of Lotus 1-2-3 version 9, which introduced the WK3 format. The WK1 format was utilized for storage of spreadsheet data, formulas, formatting, and other information. |
| Technical details | 🔵 The WK1 format is a binary file format used to store data in rows and columns. Each file consists of a series of records containing information about the spreadsheet, such as the number of rows and columns, the size of each cell, formatting details, and the actual data within the cells. The data is organized into sheets, with each sheet representing a separate table of rows and columns. The WK1 format offers a wide range of formatting choices, including font styles, borders, colors, and alignment. It also supports various mathematical and logical functions for manipulating data in the spreadsheet. Additionally, the WK1 format allows for the creation and embedding of charts and graphs within the spreadsheet. |
| Developer | 🔵 IBM |
| MIME type | 🔵 application/vnd.lotus-1-2-3, application/x-123 🔵 application/lotus123 🔵 application/x-lotus123 🔵 application/wk1 🔵 application/vnd.ms-excel 🔵 zz-application/zz-winassoc-wk1 |
Office Open XML Document
| Extension | .xlsx |
| Category | 🔵 documents |
| Programs | 🔵 Microsoft Office 🔵 LibreOffice 🔵 Kingsoft Office 🔵 Google Docs |
| Main program | 🔵 Microsoft Office |
| Description | 🔵 .xlsx (Microsoft Excel Open XML Spreadsheet) The .xlsx format is the default file format for spreadsheets created in Microsoft Excel, starting with Excel 2007 and later versions. It is a part of the Office Open XML specification and utilizes XML and ZIP compression to reduce file sizes. The .xlsx format allows for the creation of complex spreadsheets containing data, formulas, charts, pivot tables, and various formatting options. It is more efficient and secure when compared to the older .xls format, and is widely utilized in business, education, and personal data management. |
| Technical details | 🔵 Introduced in Excel 2007 as part of the Office Open XML (OOXML) standard, the `.xlsx` format represents a significant advancement from the older `.xls` format. It utilizes XML within a ZIP archive structure to enhance data readability and efficiently organize elements such as worksheets and shared strings. This format can handle extensive datasets, supporting up to 1,048,576 rows and 16,384 columns per sheet. Additionally, it includes advanced features like formulas, charts, pivot tables, and VBA macros. The use of shared XML files helps optimize file size. `.xlsx` promotes cross-platform interoperability, integrates security features such as digital signatures and encryption, and even offers a macro-enabled `.xlsm` |
| Developer | 🔵 Microsoft |
| MIME type | 🔵 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |