Convert WK1 to XLSX
Choose file to convert
You can effortlessly convert your wk1 file to xlsx, along with a multitude of other formats, using our complimentary online converter.
How to convert wk1 to xlsx?
Step 1
Upload an wk1-file
You can select the wk1 file you wish to convert from your computer, Google Drive, Dropbox or just drag and drop it onto the page.
Step 2
Select "to xlsx"
Choose xlsx or any other of the 200+ supported formats that you wish to convert to.
Step 3
Download your xlsx file
Please wait for the conversion to be completed, then click on the download button to get your converted file in the xlsx format.
The security of your files is our priority
Recognizing the crucial significance of our users' data security, we have put a number of measures in place to guarantee reliable file conversion without the jeopardy of information leakage or privacy infringements.
Data Encryption
Every piece of information uploaded to our platform undergoes SSL encryption, safeguarding privacy during the transmission process.
Secure Storage
Upon completion of the conversion, the files are retained on secure servers for a duration of 24 hours and are then automatically obliterated, preventing any third-party access.
Safe Scripting
We regularly screen our file conversion tools for any malicious code or vulnerabilities, mitigating the risk of potential cyber threats.
Best tool to convert wk1 to xlsx
Converting wk1 to xlsx is fast and easy
Just drag and drop your wk1 files onto the webpage, and you'll have the capability to convert them to xlsx or over 250 different file formats, all without the need to register, provide an email address, or include a watermark.
Safe wk1 to xlsx Conversion
Immediately upon uploading your wk1 files, we delete them without delay. Converted files are then removed after 24 hours. Additionally, we ensure that all file transfers are secure through advanced SSL encryption.
No Software Installation Required
There's no need to go through the inconvenience of installing any software. We conveniently handle all wk1 to xlsx conversions in the cloud, which implies that none of your computer's resources will be consumed in the process.
| Extension | .wk1 |
| Category | 🔵 documents |
| Description | 🔵 The WK1 file format, born from the popular Lotus 1-2-3 spreadsheet software of the 1980s and 1990s, remained the dominant format until Lotus 1-2-3 version 9 introduced the WK3 format. This earlier format was specifically designed to store various spreadsheet elements, including data, formulas, and formatting details. |
| Technical details | 🔵 Constructed as a binary file type, the WK1 format organized data within rows and columns for efficient storage. Each file contained multiple records, each holding specific spreadsheet information. This included details like the number of rows and columns, cell dimensions, formatting specifics, and the actual data within the cells. This data was systematically arranged into sheets, with each sheet representing a unique table composed of rows and columns. The WK1 format offered a wide range of formatting options, ranging from font styles and borders to colors and alignments. Moreover, the WK1 format accommodated a range of mathematical and logical functions, providing users with the necessary tools to effectively manage data within the spreadsheet documents. Beyond data manipulation capabilities, the WK1 format allowed users to create and incorporate charts and graphs into the spreadsheet, thus enhancing the visual representation of data. |
| 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 | 🔵 Launched with Excel 2007 under the Office Open XML (OOXML) standard, the .xlsx format represents a significant improvement over the older .xls format. It uses XML, embedded within a ZIP archive, to make data easier to read and to organize elements like worksheets and shared strings efficiently. This format can accommodate a substantial 1,048,576 rows and 16,384 columns per sheet, making it ideal for large datasets. Furthermore, it includes advanced features such as formulas, charts, pivot tables, and Visual Basic for Applications (VBA) macros. The XML files used in this format help keep file sizes smaller. The .xlsx format promotes compatibility across various platforms, integrates security measures like digital signatures and encryption, and even has a version that supports macros, known as .xlsm. This makes it useful for creating complex documents. |
| Technical details | 🔵 As of Excel 2007, the .xlsx format is the default file format for spreadsheets created in Microsoft Excel. It's part of the Office Open XML specifications and leverages 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. With improved efficiency and security compared to the .xls format, it has become widely adopted in business, education, and personal data management. |
| Developer | 🔵 Microsoft |
| MIME type | 🔵 application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |