Products
.NET APIs
Java APIs
C++ APIs
Python APIs
JavaScript APIs
Mobile APIs
Cloud APIs
Free Products
.NET Libraries
Spire.Office for .NET
Spire.OfficeViewer for .NET
Spire.Doc for .NET
Spire.DocViewer for .NET
Spire.XLS for .NET
Spire.Spreadsheet for .NET
Spire.Presentation for .NET
Spire.PDF for .NET
Spire.PDFViewer for .NET
Spire.PDFViewer for ASP.NET
Spire.DataExport for .NET
Spire.Barcode for .NET
Spire.Email for .NET
Spire.OCR for .NET
WPF Libraries
Spire.Office for WPF
Spire.Doc for WPF
Spire.DocViewer for WPF
Spire.XLS for WPF
Spire.PDF for WPF
Spire.PDFViewer for WPF
.NET AI
Spire.XLS AI for .NET
Java Libraries
Spire.Office for Java
Spire.Doc for Java
Spire.XLS for Java
Spire.Presentation for Java
Spire.PDF for Java
Spire.Barcode for Java
Spire.OCR for Java
C++ Libraries
Spire.Office for C++
Spire.Doc for C++
Spire.XLS for C++
Spire.Presentation for C++
Spire.PDF for C++
Spire.Barcode for C++
Python Libraries
Spire.Office for Python
Spire.Doc for Python
Spire.XLS for Python
Spire.Presentation for Python
Spire.PDF for Python
Spire.Barcode for Python
Spire.OCR for Python
JavaScript Libraries
Spire.Doc for JavaScript
Spire.XLS for JavaScript
Spire.PDF for JavaScript
Spire.Presentation for JavaScript
Android Libraries
Spire.Office for Android via Java
Spire.Doc for Android via Java
Spire.XLS for Android via Java
Spire.Presentation for Android via Java
Spire.PDF for Android via Java
Free Android Products
Free Spire.Office for Android via Java
Free Spire.Doc for Android via Java
Free Spire.XLS for Android via Java
Free Spire.Presentation for Android via Java
Free Spire.PDF for Android via Java
Swift Libraries
Spire.XLS for Swift
Cloud Libraries
Spire.Cloud.Office
Spire.Cloud.Word
Spire.Cloud.Excel
Spire.Cloud.Presentation
Free .NET Libraries
Free Spire.Office for .NET
Free Spire.Doc for .NET
Free Spire.DocViewer for .NET
Free Spire.XLS for .NET
Free Spire.Presentation for .NET
Free Spire.PDF for .NET
Free Spire.PDFViewer for .NET
Free Spire.PDFConverter for .NET
Free Spire.DataExport for .NET
Free Spire.Barcode for .NET
Free Spire.Email for .NET
Free Java Libraries
Free Spire.Office for Java
Free Spire.Doc for Java
Free Spire.XLS for Java
Free Spire.Presentation for Java
Free Spire.PDF for Java
Free Spire.Barcode for Java
Free Python Libraries
Free Spire.Doc for Python
Free Spire.XLS for Python
Free Spire.Presentation for Python
Free Spire.PDF for Python
Free Spire.Barcode for Python
Purchase
Order Online
Download Centre
Temporary License
Purchase Policies
Renewal Policies
Find A Reseller
Purchase FAQS
Support FAQs
How to Apply License
License Agreement
Privacy Policy
Support
Forum
Live Demo
Customized Demo
Code Samples
Newsletter
Subscribe
Unsubscribe
API Reference
Blog
Videos
Tutorials
Spire.Doc
Spire.XLS
Spire.Presentation
Spire.PDF
Spire.Barcode
Spire.OCR
Spire.Email
Spire.DocViewer
Spire.PDFViewer
Spire.SpreadSheet
Spire.Cloud
Spire.Doc for .NET
Spire.Doc for Java
Spire.Doc for CPP
Spire.Doc for Python
Spire.Doc for JavaScript
Spire.XLS for .NET
Spire.XLS for Java
Spire.XLS for CPP
Spire.XLS for Python
Spire.XLS for JavaScript
Spire.Presentation for .NET
Spire.Presentation for Java
Spire.Presentation for CPP
Spire.Presentation for Python
Spire.PDF for .NET
Spire.PDF for Java
Spire.PDF for CPP
Spire.PDF for Python
Spire.Barcode for .NET
Spire.Barcode for Java
Spire.Barcode for Python
Spire.OCR for .NET
Spire.OCR for Java
Spire.OCR for Python
Corporation
About Us
Contact Us
Partner
Become Our Reseller
Affiliate
Paid Support
Our Customers
Reviews
Forum
/
Libraries
/
Spire.XLS
Change font size
User Control Panel
View your posts
FAQ
Login
Spire.XLS is a professional Excel API that enables developers to create, manage, manipulate, convert and print Excel worksheets. Get free and professional technical support for Spire.XLS for .NET, Java, Android, C++, Python.
Return to Forum
Post a new topic
Topics
Replies
Views
Last post
TIME
Spire.Office New Release or Hotfix
0
411541
amy.zhao
Apr 30,2014
E-ICEBLUE License FAQ
0
405567
iceblue suppo...
Aug 11,2011
E-ICEBLUE Sales FAQ
0
347427
iceblue suppo...
Aug 11,2011
Spire.Xls New Release or Hotfix
0
53099
amy.zhao
Jan 20,2014
Spire.XLS for .NET FAQ
0
38891
iceblue suppo...
Aug 03,2011
Spire.XLS multiple sheets printing paper orientation setting
2
10
Lisa.Li
Jan 24,2025
Pivot Table Grouping
10
10884
Lisa.Li
Jan 20,2025
XLS content error - double value
8
43
Lisa.Li
Jan 10,2025
Hide entire pivot table column
3
14
amy.zhao
Dec 23,2024
PrintDocument in Workbook
2
8
amy.zhao
Dec 19,2024
Problem convert from xlsx to pdf
2
16
amy.zhao
Dec 19,2024
Copy values from pivot table to another tab
3
10
amy.zhao
Dec 17,2024
Intermittent Worksheet Access Error
2
4
amy.zhao
Dec 12,2024
PROTECTED VIEW in excel
4
10
amy.zhao
Dec 10,2024
LibSkiaSharp issue generating word then excel with images
1
14
Doris.Liu
Nov 27,2024
VLOOKUP by datetime is inconsistent
4
18
Amin.Gan
Nov 27,2024
An error occurs when converting excel files to pdf files
9
73
Doris.Liu
Nov 27,2024
Worksheets containing Charts only are not exported
11
1496
William.Zhang
Nov 26,2024
RuntimeError ffi_prep_cif_var failed when styling cells
2
7
Amin.Gan
Nov 25,2024
Cell not calculating
6
3115
Doris.Liu
Nov 25,2024
Conversion of Excel Sheet to PDF Failing with Macro
8
41
Amin.Gan
Nov 25,2024
Cannot load XLSX
1
13
Doris.Liu
Nov 18,2024
Conversion XLS to PDF > footer problem
7
31
Doris.Liu
Nov 11,2024
Save file to pdf wrong data
1
10
Doris.Liu
Nov 05,2024
Problems with Excel's Japanese calendar settings(xls to PDF)
1
20
Doris.Liu
Nov 05,2024
Spire.XLS for .NET Fails to Calculate XLOOKUP Function
2
20
Amin.Gan
Nov 01,2024
got wrong Formula result of INDEX of 2Dimensioin nameRange
4
23
Amin.Gan
Nov 01,2024
Xlsx to PDF issue with row height
3
913
amy.zhao
Oct 31,2024
XLS file convert to pdf
10
8020
amy.zhao
Oct 31,2024
Spire.Xls / Spire.Doc crash when including images
1
8
Lisa.Li
Oct 28,2024
Combine with Jspreadsheet and Iceblue
1
10
Amin.Gan
Oct 24,2024
methods with same signature spr () in deployment to weblogic
12
3384
Amin.Gan
Oct 22,2024
Show empty cells as gaps in graphs
9
63
Amin.Gan
Oct 18,2024
微軟正黑體 cannot convert from excel to pdf
1
8
Amin.Gan
Oct 17,2024
Change arrow size
2
2130
Lisa.Li
Oct 12,2024
Private font directory leading to crash
1
20
Amin.Gan
Oct 12,2024
Cell activation / deactivation
7
993
Amin.Gan
Oct 10,2024
Rendering issues with older Office version
11
316
William.Zhang
Oct 08,2024
dot net 8 is not support spire.office v9.9.0 for add lisence
1
18
William.Zhang
Oct 04,2024
Illegal Access Error when instantiating Workbook : Spire.XLS
1
20
Amin.Gan
Sep 27,2024
font not installed on the system
3
40
Amin.Gan
Sep 27,2024
Evaluation warning extra sheet
5
34
Amin.Gan
Sep 26,2024
xlsx to img fonts problem
5
41
Nina.Tang
Sep 19,2024
spr矉: Could not read block - no data!
3
45
Amin.Gan
Sep 11,2024
Prevent XML External Entity attacks when loading XLSX file
7
45
Doris.Liu
Sep 06,2024
Weird spacing with special characters
4
45
Amin.Gan
Sep 06,2024
How to use FindString function
1
17
Amin.Gan
Aug 29,2024
Error while debugging
1
12
Amin.Gan
Aug 20,2024
Export Xls to Pdf with checkboxes
10
5915
Doris.Liu
Aug 16,2024
Is Spire.XLS.free compatible with Java 21
1
86
Doris.Liu
Aug 05,2024
Excel to PDF Conversion Expands Width on Linux Environment
3
133
Amin.Gan
Aug 02,2024
Insert image without changing proportions
3
140
Amin.Gan
Aug 01,2024
Text Rendering issue
10
3586
Doris.Liu
Jul 30,2024
Display topics from previous:
All Topics
1 day
7 days
2 weeks
1 month
3 months
6 months
1 year
Sort by
Author
Post time
Replies
Subject
Views
Ascending
Descending
1
,
2
,
3
,
4
,
5
...
35
Return to Forum
Jump to:
Select a forum
------------------
Libraries
Spire.PDF
Spire.XLS
Spire.Doc
Spire.Presentation
Spire.BarCode
Spire.Email
Spire.DocViewer
Spire.PDFViewer
Spire.Spreadsheet
Spire.OfficeViewer
Spire.DataExport
Spire.OCR
New Feature Requests
Complaints & Suggestions
中文技术支持