Merge XLS Documents Online via Merger App or using Java

Develop powerful Java based XLS document merging application. Combine multiple XLS documents into single one online for free via app. Save merged XLS file as PDF, Images, Word, Excel, PowerPoint & many other formats online.

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Merge XLS Files Online using App

Upload XLS files to merge them into single one
Enter the parameters like selection from dropdown
Save to required format: XLSX, PPTX, PDF, DOCX, DOC, Image, HTML, and others
Click the “Merge” button to Merge XLS into desired format
Download the merged XLS file
View and get the single merged XLS file

Merge XLS File via Java

Add Java library reference into your project
Load files using Workbook class objects.
Select the one Workbook as the base file.
Use combine method using base obect and second XLS file object as parameter.
Call save method and get the merged XLS files into one.

Java Code to Merge XLS Files

Develop XLS File Merger using Java

Need to develop Java utility app to easily merge multiple XLS files? With Aspose.Cells for Java , child API of Aspose.Total for Java , any Java developer can integrate the above API code to concatenate documents easily. Powerful Java library for merging documents supports many popular formats including XLS format.

Java Merging Library for XLS Files

There are alternative options to install “ Aspose.Cells for Java ” or “ Aspose.Total for Java ” onto your system. Our Java package is designed to be cross-platform, compatible with JVM implementations on various operating systems such as Microsoft Windows, Linux, macOS, Android, and iOS. Please choose one that resembles your needs and follow the step-by-step instructions:

Install Aspose.Cells for Java
Or from Maven
Step by Step Instructions

System Requirements

J2SE 6.0 (1.6)
J2SE 7.0 (1.7) or above

For details please refer to [Product Documentation](https://docs.aspose.com/cells/java/system-requirements/#optional-dependencies).

Merging legacy XLS files using APIs in Java applications modernizes outdated spreadsheets while preserving valuable historical data. Automated XLS merging supports smooth migration to modern formats and improved data integrity.

Key Use Cases:

Financial Data Migration: Merge old XLS files to prepare for conversion to XLSX.
Historical Record Unification: Consolidate legacy spreadsheets for audit readiness.
Storage Modernization: Combine and upgrade XLS files to reduce redundancy and ensure compliance.

Automation Scenarios:

XLS-to-XLSX Merging: Automate merging and format upgrades in a single workflow.
Macro-Safe Integration: Preserve embedded macros when combining legacy files.
AI Format Upgrading: Use AI to detect outdated structures and recommend modern replacements.

FAQs

Can I use above Java code in my application?
Yes, you are welcome to download this code. One can develop professional solution to combine XLS using Java. Use XLS merging API to develop high-level, platform independent software in Java.
Is this document merging App work only on Windows?
You have the flexibility to initiate document merging from any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
Is it safe to use the online app to combine multiple XLS documents?
Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the download links associated with these files will cease to be functional after this period.
What browser should to use App?
You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online XLS document merging.
How can I merge multiple XLS files?
Start by uploading one or more files you want to merge. You can either drag and drop your XLS files or simply click inside the white area. Afterward, click the 'Merge' button, and our merger will quickly process the uploaded files.
How long does it take to merge the XLS files?
This merging application operates quickly, It may take a few seconds to upload the files and merge them.

Explore File Merger Options with Java

Merge BMP Files (Bitmap Image File)

Merge DOC Files (Microsoft Word Binary Format)

Merge DOCM Files (Microsoft Word 2007 Marco File)

Merge DOCX Files (Office 2007+ Word Document)

Merge DOT Files (Microsoft Word Template Files)

Merge DOTM Files (Microsoft Word 2007+ Template File)

Merge DOTX Files (Microsoft Word Template File)

Merge Excel Files

Merge GIF Files (Graphical Interchange Format)

Merge IMAGE Files (Image Files)

Merge JPEG Files (Joint Photographic Expert Group)

Merge JPG Files

Merge ODP Files (OpenDocument Presentation Format)

Merge ODS Files (OpenDocument Spreadsheet)

Merge ODT Files (OpenDocument Text File Format)

Merge OTP Files (OpenDocument Standard Format)

Merge OTT Files (OpenDocument Template)

Merge PDF Files (Portable Document Format)

Merge PNG Files (Portable Network Graphic)

Merge POT Files (Microsoft PowerPoint Template Files)

Merge POTM Files (Microsoft PowerPoint Template File)

Merge POTX Files (Microsoft PowerPoint Template Presentation)

Merge Powerpoint Files

Merge PPS Files (PowerPoint Slide Show)

Merge PPSM Files (Macro-enabled Slide Show)

Merge PPSX Files (PowerPoint Slide Show)

Merge PPT Files (PowerPoint Presentation)

Merge PPTM Files (Macro-enabled Presentation File)

Merge PPTX Files (Open XML presentation Format)

Merge RTF Files (Rich Text Format)

Merge TIFF Files (Tagged Image File Format)

Merge TSV Files (Tab-separated Values)

Merge Word Files

Merge XLS Files (Microsoft Excel Binary Format)

Merge XLSB Files (Excel Binary Workbook)

Merge XLSM Files (Macro-enabled Spreadsheet)

Merge XLSX Files (Open XML Workbook)

Merge XLT Files (Excel 97 - 2003 Template)

Merge XLTM Files (Excel Macro-Enabled Template)

Merge XLTX Files (Excel Template)