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NSF to XLSM converter

Convert NSF to XLSM online from any device with a free converter.

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We have already processed 4,746,089 files with total size of 7,374,667 Mbytes

About Conversion app

Easily convert your NSF files online with no registration required. Convert your NSF documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your XLSM file.

Depending on the NSF file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.

Convert your NSF documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.

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NSF

Lotus Notes Database

The NSF (Lotus Notes Storage Format) is a proprietary file format used by IBM Notes (formerly Lotus Notes) to store emails, documents, calendars, and other data in a database-like structure. It is primarily accessed through IBM Notes or HCL Notes, but third-party tools like NSF to PST converters or NSF viewers can also read and extract data. The format supports advanced features such as rich text, attachments, encryption, and replication, making it a robust solution for enterprise-level collaboration and data management.

XLSM

Microsoft Excel Macro-Enabled Spreadsheet

XLSM is a file format used for Excel spreadsheets that support macros, enabling automation and advanced functionality within the document. It is primarily used with Microsoft Excel but can also be opened by other spreadsheet applications like LibreOffice Calc and Google Sheets with limited macro support. The format is based on the Open XML standard, storing data, formulas, and VBA (Visual Basic for Applications) macros in a compressed ZIP container, allowing for efficient storage and advanced features like conditional formatting, pivot tables, and embedded macros.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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How it works

How to convert NSF to XLSM

Step 1
Click inside the file drop area to upload NSF file or drag & drop NSF file.
Step 2
Click on Convert button. Your NSF files will be uploaded and converted to XLSM result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the XLSM file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert NSF into many other file formats. Please see the complete list below.

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