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.LWP file extension

To open .LWP files on Windows, install LibreOffice (it includes an import filter for Lotus Word Pro .lwp files) and open LibreOffice Writer.

To open a .LWP file, use a program that supports Lotus Word Pro documents—most commonly LibreOffice (which includes an import filter) or the original Lotus Word Pro application. If you’re on mobile, you’ll usually need to transfer the file to a desktop app for reliable opening or conversion.

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Last updated: June 11, 2026 · Reviewed by Julian Stricker

What “reviewed” means on this page
  • Format fit: whether the “what is this file?” description matches common real-world use of the extension, including category, typical MIME types, and aliases.
  • Opening paths: whether Windows / macOS / Linux steps read plausibly for current OS dialogs and default apps; we remove fantasy menus and unsafe shortcuts.
  • Security framing: whether risk notes match the extension class (for example executables vs plain data) and whether affiliate wording does not contradict the security section.
  • Sources and further reading: whether external links point to vendors, standards bodies, or other primary references where possible; we avoid inventing details we cannot ground.
  • Limits: this is clarity and safety-messaging QA, not a guarantee that every statement is exhaustive or that every binary you download is harmless.

Full methodology in the Imprint — The Imprint also states where AI is used and what that does—and does not—replace.

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .LWP files

Use these platform-specific instructions to open .LWP files safely.

Windows

  1. Install LibreOffice (it includes an import filter for Lotus Word Pro .lwp files) and open LibreOffice Writer.
  2. In Writer, use File → Open and select the .LWP file; if it opens, immediately save a copy in a modern format (e.g., ODT) for easier future access.
  3. If you have Lotus Word Pro available, try opening the file there for the most native compatibility.
Full Windows guide

Mac

  1. Install LibreOffice and open LibreOffice Writer.
  2. Use File → Open to import the .LWP document, then save/export it to a modern format (e.g., ODT) after it opens.
Full Mac guide

Linux

  1. Open LibreOffice Writer.
  2. Use File → Open to import the .LWP file (LibreOffice documents an import filter for Lotus Word Pro), then save a converted copy (e.g., ODT).
Full Linux guide

iOS

  1. If the file won’t preview or open in your apps, transfer the .LWP file to a desktop system and open it with LibreOffice to convert it to a more mobile-friendly format (such as PDF or ODT).
Full iOS guide

Android

  1. If no installed app recognizes .LWP, move the file to a desktop (Windows/macOS/Linux) and open it with LibreOffice to convert it to a common format you can use on Android (such as PDF).
Full Android guide

Security notes

  • .LWP is a legacy document format; treat files from unknown sources cautiously because document parsers can have vulnerabilities, especially with older formats.
  • Prefer opening unknown .LWP files in a modern, actively maintained application (for example, LibreOffice’s import path) and consider converting to a safer, widely supported format for long-term use.
  • Be cautious with unexpected .LWP attachments: if a file’s behavior or content seems inconsistent (e.g., it isn’t a document), it may be mislabeled with a .lwp extension.

If you did not expect this file

This extension is usually plain data, text, or structured content—not a program by itself. The practical risk is social engineering (a scam attachment or misleading filename). For trusted senders you rarely need heavy-handed antivirus wording; use these tools when you want an extra check on unexpected downloads.

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Can't open this file?

These are the most common causes and fixes when .LWP files fail to open.

Common reasons

  • No app recognizes the .LWP file
  • The document opens but formatting looks wrong
  • LibreOffice cannot open the file or reports an error

Fix steps

  1. Install LibreOffice and open the file from within LibreOffice Writer (File → Open) rather than relying on double-click association.
  2. If you have access to Lotus Word Pro, try opening the file there for best compatibility.
  3. After opening, save/export to a modern format (ODT/PDF) so you don’t need .LWP support again.

OS-specific troubleshooting

What is a .LWP file?

.LWP is the native document format associated with Lotus Word Pro, a word processor from the Lotus (later IBM Lotus) suite. The registered MIME type for these documents is application/vnd.lotus-wordpro, and the standard file extension listed for that MIME type is .lwp. Modern office suites may not fully support editing, but LibreOffice specifically documents an import filter for Lotus Word Pro files (Word Pro 97 and later).

Background

LWP documents are primarily tied to Lotus Word Pro, a word processing application historically used in environments that adopted Lotus office software. As a result, you’re most likely to encounter .lwp files when opening older document archives or when exchanging files from legacy systems.

For practical use today, the most common approach is to open the file in LibreOffice using its Lotus Word Pro import filter, then save/export to a modern format (such as ODT or DOC/DOCX) for easier sharing. File format references and the MIME registry also associate .lwp with Lotus Word Pro via the registered media type application/vnd.lotus-wordpro.

Because this is a legacy office-document format, compatibility can vary: some documents may import with layout differences, missing fonts, or unsupported features. When fidelity matters, try multiple opening/conversion routes (for example, LibreOffice import versus opening in Lotus Word Pro if you have access to it).

Common MIME types: application/vnd.lotus-wordpro

Further reading

Authoritative resources for more details on the .LWP format.

Common .LWP issues

No app recognizes the .LWP file

Many modern systems do not include built-in support for legacy Lotus Word Pro documents, so double-clicking may fail or open an unrelated app.

  1. Install LibreOffice and open the file from within LibreOffice Writer (File → Open) rather than relying on double-click association.
  2. If you have access to Lotus Word Pro, try opening the file there for best compatibility.
  3. After opening, save/export to a modern format (ODT/PDF) so you don’t need .LWP support again.

The document opens but formatting looks wrong

Importing legacy word-processing formats can cause layout changes (fonts, spacing, page breaks) depending on what features the original document used.

  1. Try opening the file on another machine with the same LibreOffice version to rule out missing fonts or system differences.
  2. If possible, open in Lotus Word Pro to compare output and then re-save/export to a modern format.
  3. If you only need a faithful view/print, consider exporting to PDF from the system that displays it most correctly.

LibreOffice cannot open the file or reports an error

The file may be corrupted, incomplete, or not actually a Lotus Word Pro document despite the .lwp extension.

  1. Re-download or re-copy the file to ensure it is complete (especially if it came from email or removable media).
  2. Confirm the file origin—if it wasn’t created by Lotus Word Pro, it may be mislabeled with the .lwp extension.
  3. Try opening the file on another computer or with Lotus Word Pro (if available) to verify whether it’s a valid .LWP document.

FAQ

What program opens a .LWP file?

It is associated with Lotus Word Pro. LibreOffice also supports importing Lotus Word Pro .lwp documents via its Lotus Word Pro import filter.

What is the MIME type for .LWP?

The registered media type is application/vnd.lotus-wordpro.

Can I open .LWP on my phone or tablet?

Mobile support is often limited. The most reliable approach is to transfer the file to a desktop and open/convert it with LibreOffice, then send the converted file back to your device.

Will renaming .LWP to .DOC or .DOCX make it open?

No. Renaming only changes the extension label; it does not convert the file. Open it with a compatible program (such as LibreOffice import) and then save/export to a modern format.

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