# EDGAR Filing Document

**Accession Number:** 0000034066
**File Stem:** 0001683863-23-001686
**Filing Date:** 2023-3
**Character Count:** 2054
**Document Hash:** 9d346a5a9ae3f83becf8c167280860b6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001683863-23-001686.hdr.sgml**: 20230301

**ACCESSION NUMBER**: 0001683863-23-001686

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230301

**DATE AS OF CHANGE**: 20230301

**EFFECTIVENESS DATE**: 20230301

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VANGUARD EXPLORER FUND
- **CENTRAL INDEX KEY:** 0000034066
- **IRS NUMBER:** 510106626
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-27203
- **FILM NUMBER:** 23690213

**BUSINESS ADDRESS:**
- **STREET 1:** PO BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482
- **BUSINESS PHONE:** 6106691000

**MAIL ADDRESS:**
- **STREET 1:** P.O. BOX 2600
- **STREET 2:** V26
- **CITY:** VALLEY FORGE
- **STATE:** PA
- **ZIP:** 19482

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VANGUARD EXPLORER FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** EXPLORER FUND INC
- **DATE OF NAME CHANGE:** 19900305

## Series and Classes Contracts Data

### VANGUARD EXPLORER FUND (Series ID: S000002578)

| Class ID   | Class Name      | Ticker Symbol   |
|:---|:---|:---|
| C000007081 | Investor Shares | VEXPX           |
| C000007082 | Admiral Shares  | VEXRX           |

**March 01, 2023**

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

**Re: Vanguard Explorer Fund (the "Trust")**

**File No. 2-27203**

Commissioners:

Pursuant to Rule 497(j) under the Securities Act of 1933, this letter serves as certification that the Prospectuses and Statement of Additional Information with respect to the above-referenced Trust do not differ from that filed in the most recent post-effective amendment, which was filed electronically.

Sincerely,

/s/Kerry K. Bender

Kerry K. Bender

Assistant General Counsel

The Vanguard Group, Inc.

Enclosures

cc: Lisa N. Larkin

U.S. Securities and Exchange Commission

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