# How to Split Large Files into Multiple Parts with WinRAR

Canonical: https://snipgeek.com/blog/how-to-split-rar-files-into-multiple-parts
Locale: en
Description: A practical step-by-step guide to splitting large files into smaller RAR parts with WinRAR, including ideal size settings and extraction tips.
Date: 2026-03-17
Updated: 2026-03-19
Category: Apps
Tags: windows, winrar, archive, tutorial
JSON: https://snipgeek.com/api/posts/how-to-split-rar-files-into-multiple-parts?locale=en

---


As a blogger who occasionally shares large game files or software packages, I often get the same request: "Can you split this into parts so it is easier to download?"

And honestly, that request makes total sense.

When a file is divided into smaller chunks, users can download part by part with less risk of a failed full download. It is also more practical in many everyday situations.

For example:
- Sending files through email services with attachment limits.
- Saving large files across multiple flash drives or older storage media.

The good news is that **WinRAR** has this feature built in, and the process is very straightforward.

## Quick Size Guide (Before You Start)

Choosing the right part size will save a lot of trouble for both uploader and downloader.

| Use Case | Recommended Part Size | Why |
|---|---:|---|
| Email attachment workflow | `20M` to `24M` | Stays under common 25 MB limits after metadata overhead. |
| Messaging apps / quick sharing | `50M` to `100M` | Easier to retry if one upload fails. |
| Cloud drive with unstable internet | `100M` to `250M` | Good balance between speed and retry cost. |
| Flash drive transfer (older devices) | `500M` | Safer for mixed storage quality and copy interruptions. |
| Archival backups on local disk | `1000M` or more | Fewer parts to manage when network reliability is not a concern. |

If you are unsure, start with **`100M`**. It is usually the safest practical default.

## #1 Install WinRAR First

If WinRAR is not installed yet, download it first. It is also one of the [essential utilities we recommend after a Windows 11 installation](/blog/to-do-after-install-windows11).

Use these download references from your publishing workflow:

<DownloadButton id="winrar-installer-32bit" />
<DownloadButton id="winrar-installer-64bit" />

For the latest official release source, you can also check [Official WinRAR Download](https://www.win-rar.com/download.html?&L=0).

<Callout variant="warning" title="Free Application">
WinRAR can be used for free. You may see a purchase reminder for the Pro license, but core features remain usable without a hard time limit.
</Callout>

Installation is the same as any normal `.exe` app: run installer, follow prompts, done.

## #2 Split a File into Multiple RAR Parts

After WinRAR is installed, follow these steps.

<Steps>
   <Step>
      **Prepare your target file or folder**
      Decide which file or folder you want to split into multiple parts.
   </Step>

   <Step>
      **Open the WinRAR archive dialog**
      Right-click the file/folder and choose **Add to archive...**.
   </Step>

   <Step>
      **Configure split-volume settings**
      In the settings window, focus on these fields:
      - **Archive name:** Change the output file name if needed.
      - **Archive options:** Enable **Create solid archive** and **Add recovery record** for better integrity.
      - **Split to volumes, size (most important):** Set the size for each part. You can pick presets or type manually, such as `100M` for 100 MB per part.
   </Step>

   <Step>
      **Start the split process**
      Click **OK** and wait. WinRAR will generate files such as `.part1.rar`, `.part2.rar`, and so on.
   </Step>
</Steps>

![WinRAR archive settings window showing how to split files into multiple volume parts.](/images/_posts/apps/winrar/split_rar.webp "WinRAR split-to-volumes configuration in Windows.")
*The key setting is in **Split to volumes, size**.*

## #3 How to Rejoin and Extract the Parts

To avoid extraction failure on the receiver side, there is one rule you must emphasize.

### Keep All Parts in One Folder

All parts must be in the same directory, for example:
- `file.part1.rar`
- `file.part2.rar`
- `file.part3.rar`

If one part is missing, extraction will fail.

### Extraction Steps

<Steps>
   <Step>
      **Make sure all parts are in one folder**
      Verify every part file is present and stored in the same directory.
   </Step>

   <Step>
      **Start extraction from the first part**
      Right-click `part1.rar` and choose **Extract Here** or **Extract to...**.
   </Step>

   <Step>
      **Let WinRAR merge automatically**
      WinRAR will read the remaining parts and combine them during extraction.
   </Step>
</Steps>

That is it. Simple, practical, and very useful when handling large files.

## Common Problems and How to Fix Them

If extraction fails, it is usually one of these:

1. **One part is missing**
   Download the missing part again. All part files must be complete.
2. **One part is corrupted**
   Re-download only the damaged part (not the whole set) and retry extraction.
3. **Wrong extraction start point**
   Always extract from `part1.rar`, never from `part2+`.
4. **File names changed accidentally**
   Keep original naming sequence. Renaming one file can break automatic chain reading.

## Practical Integrity Check (Optional but Recommended)

For important files, verify after upload:

<Steps>
   <Step>
      **Test extraction locally first**
      Extract your own split archive once before sharing it.
   </Step>

   <Step>
      **Store all parts in a clean folder**
      Avoid mixed folders with old test archives that use similar names.
   </Step>

   <Step>
      **Use WinRAR recovery record for resilience**
      Keeping **Add recovery record** enabled improves tolerance against minor data damage.
   </Step>
</Steps>

Following these checks dramatically reduces “archive is corrupt” complaints from recipients.