diff --git a/src/Database.ts b/src/Database.ts
index db8a080f..6eab25ce 100644
--- a/src/Database.ts
+++ b/src/Database.ts
@@ -1,9 +1,9 @@
-import { CodecHandler, createCodecHandler } from "./codec-handler/index.js";
+import { type CodecHandler, createCodecHandler } from "./codec-handler/index.js";
 import { decryptRC4 } from "./crypto/index.js";
 import { readDateTime } from "./data/datetime.js";
-import { getJetFormat, JetFormat } from "./JetFormat/index.js";
+import { getJetFormat, type JetFormat } from "./JetFormat/index.js";
 import { PageType, assertPageType } from "./PageType.js";
-import { SortOrder } from "./types.js";
+import type { SortOrder } from "./types.js";
 import { uncompressText } from "./unicodeCompression.js";
 import { isEmptyBuffer, xor } from "./util.js";
 
diff --git a/src/JetFormat/Jet12Format.ts b/src/JetFormat/Jet12Format.ts
index a1317507..77a97ab8 100644
--- a/src/JetFormat/Jet12Format.ts
+++ b/src/JetFormat/Jet12Format.ts
@@ -1,7 +1,7 @@
 import { jet4Format } from "./Jet4Format.js";
-import { CodecType, JetFormat } from "./types.js";
+import { CodecType, type JetFormat } from "./types.js";
 
 export const jet12Format: JetFormat = {
     ...jet4Format,
     codecType: CodecType.OFFICE,
-};
\ No newline at end of file
+};
diff --git a/src/JetFormat/Jet14Format.ts b/src/JetFormat/Jet14Format.ts
index 0735723f..e870c904 100644
--- a/src/JetFormat/Jet14Format.ts
+++ b/src/JetFormat/Jet14Format.ts
@@ -1,6 +1,6 @@
 import { GENERAL_SORT_ORDER } from "../SortOrder.js";
 import { jet12Format } from "./Jet12Format.js";
-import { JetFormat } from "./types.js";
+import type { JetFormat } from "./types.js";
 
 export const jet14Format: JetFormat = {
     ...jet12Format,
diff --git a/src/JetFormat/Jet15Format.ts b/src/JetFormat/Jet15Format.ts
index af2a22f4..dbb14c8a 100644
--- a/src/JetFormat/Jet15Format.ts
+++ b/src/JetFormat/Jet15Format.ts
@@ -1,4 +1,4 @@
 import { jet14Format } from "./Jet14Format.js";
-import { JetFormat } from "./types.js";
+import type { JetFormat } from "./types.js";
 
 export const jet15Format: JetFormat = jet14Format;
diff --git a/src/JetFormat/Jet16Format.ts b/src/JetFormat/Jet16Format.ts
index 143d3104..039ce26e 100644
--- a/src/JetFormat/Jet16Format.ts
+++ b/src/JetFormat/Jet16Format.ts
@@ -1,4 +1,4 @@
 import { jet15Format } from "./Jet15Format.js";
-import { JetFormat } from "./types.js";
+import type { JetFormat } from "./types.js";
 
 export const jet16Format: JetFormat = jet15Format;
diff --git a/src/JetFormat/Jet17Format.ts b/src/JetFormat/Jet17Format.ts
index dca27386..cdc8264b 100644
--- a/src/JetFormat/Jet17Format.ts
+++ b/src/JetFormat/Jet17Format.ts
@@ -1,4 +1,4 @@
 import { jet16Format } from "./Jet16Format.js";
-import { JetFormat } from "./types.js";
+import type { JetFormat } from "./types.js";
 
 export const jet17Format: JetFormat = jet16Format;
diff --git a/src/JetFormat/Jet3Format.ts b/src/JetFormat/Jet3Format.ts
index d620f57a..089be497 100644
--- a/src/JetFormat/Jet3Format.ts
+++ b/src/JetFormat/Jet3Format.ts
@@ -1,5 +1,5 @@
 import { GENERAL_97_SORT_ORDER } from "../SortOrder.js";
-import { CodecType, JetFormat } from "./types.js";
+import { CodecType, type JetFormat } from "./types.js";
 
 export const jet3Format: JetFormat = {
     codecType: CodecType.JET,
diff --git a/src/JetFormat/Jet4Format.ts b/src/JetFormat/Jet4Format.ts
index b3a8d172..a57f6e9f 100644
--- a/src/JetFormat/Jet4Format.ts
+++ b/src/JetFormat/Jet4Format.ts
@@ -1,9 +1,9 @@
 import { GENERAL_LEGACY_SORT_ORDER } from "../SortOrder.js";
-import { CodecType, JetFormat } from "./types.js";
+import { CodecType, type JetFormat } from "./types.js";
 
 export const jet4Format: JetFormat = {
     codecType: CodecType.JET,
-    
+
     pageSize: 4096,
 
     textEncoding: "ucs-2",
diff --git a/src/JetFormat/MSISAMFormat.ts b/src/JetFormat/MSISAMFormat.ts
index 2b7b692b..43cae602 100644
--- a/src/JetFormat/MSISAMFormat.ts
+++ b/src/JetFormat/MSISAMFormat.ts
@@ -1,5 +1,5 @@
 import { jet4Format } from "./Jet4Format.js";
-import { CodecType, JetFormat } from "./types.js";
+import { CodecType, type JetFormat } from "./types.js";
 
 export const msisamFormat: JetFormat = {
     ...jet4Format,
diff --git a/src/JetFormat/index.ts b/src/JetFormat/index.ts
index d77db0a7..4b5789a6 100644
--- a/src/JetFormat/index.ts
+++ b/src/JetFormat/index.ts
@@ -6,7 +6,7 @@ import { jet17Format } from "./Jet17Format.js";
 import { jet3Format } from "./Jet3Format.js";
 import { jet4Format } from "./Jet4Format.js";
 import { msisamFormat } from "./MSISAMFormat.js";
-import { JetFormat } from "./types.js";
+import type { JetFormat } from "./types.js";
 
 export type { JetFormat } from "./types.js";
 
diff --git a/src/JetFormat/types.ts b/src/JetFormat/types.ts
index 4b87cee0..f89b530a 100644
--- a/src/JetFormat/types.ts
+++ b/src/JetFormat/types.ts
@@ -1,4 +1,4 @@
-import { SortOrder } from "../types.js";
+import type { SortOrder } from "../types.js";
 
 export interface JetFormat {
     codecType: CodecType;
diff --git a/src/MDBReader.ts b/src/MDBReader.ts
index 3f2392bd..8941b45a 100644
--- a/src/MDBReader.ts
+++ b/src/MDBReader.ts
@@ -1,8 +1,8 @@
 import { Database } from "./Database.js";
 import { PageType, assertPageType } from "./PageType.js";
-import { SysObject, isSysObjectType, isSystemObject, SysObjectTypes } from "./SysObject.js";
+import { type SysObject, isSysObjectType, isSystemObject, SysObjectTypes } from "./SysObject.js";
 import { Table } from "./Table.js";
-import { SortOrder } from "./types.js";
+import type { SortOrder } from "./types.js";
 
 const MSYS_OBJECTS_TABLE = "MSysObjects";
 const MSYS_OBJECTS_PAGE = 2;
diff --git a/src/SortOrder.ts b/src/SortOrder.ts
index afcf0b88..51177697 100644
--- a/src/SortOrder.ts
+++ b/src/SortOrder.ts
@@ -1,4 +1,4 @@
-import { SortOrder } from "./types.js";
+import type { SortOrder } from "./types.js";
 
 const GENERAL_SORT_ORDER_VALUE = 1033;
 
diff --git a/src/Table.ts b/src/Table.ts
index 3365d44d..bf578c75 100644
--- a/src/Table.ts
+++ b/src/Table.ts
@@ -1,9 +1,9 @@
 import { ColumnTypes } from "./index.js";
-import { Column, ColumnDefinition, getColumnType, parseColumnFlags } from "./column.js";
+import { type Column, type ColumnDefinition, getColumnType, parseColumnFlags } from "./column.js";
 import { readFieldValue } from "./data/index.js";
 import { Database } from "./Database.js";
 import { PageType, assertPageType } from "./PageType.js";
-import { Value } from "./types.js";
+import type { Value } from "./types.js";
 import { uncompressText } from "./unicodeCompression.js";
 import { findMapPages } from "./usage-map.js";
 import { getBitmapValue, roundToFullByte } from "./util.js";
diff --git a/src/codec-handler/create.ts b/src/codec-handler/create.ts
index f377cbc8..7d7bed2a 100644
--- a/src/codec-handler/create.ts
+++ b/src/codec-handler/create.ts
@@ -1,4 +1,4 @@
-import { CodecHandler } from "./index.js";
+import type { CodecHandler } from "./index.js";
 import { getJetFormat } from "../JetFormat/index.js";
 import { CodecType } from "../JetFormat/types.js";
 import { createIdentityHandler } from "./handlers/identity.js";
diff --git a/src/codec-handler/handlers/identity.ts b/src/codec-handler/handlers/identity.ts
index 6fd86efb..5d2e0dab 100644
--- a/src/codec-handler/handlers/identity.ts
+++ b/src/codec-handler/handlers/identity.ts
@@ -1,8 +1,8 @@
-import { CodecHandler } from "../types.js";
+import type { CodecHandler } from "../types.js";
 
 export function createIdentityHandler(): CodecHandler {
     return {
         decryptPage: (b) => b,
-        verifyPassword: () => true
+        verifyPassword: () => true,
     };
 }
diff --git a/src/codec-handler/handlers/jet.ts b/src/codec-handler/handlers/jet.ts
index d31296fe..5d1c8251 100644
--- a/src/codec-handler/handlers/jet.ts
+++ b/src/codec-handler/handlers/jet.ts
@@ -1,8 +1,8 @@
-import { CodecHandler } from "../index.js";
+import type { CodecHandler } from "../index.js";
 import { decryptRC4 } from "../../crypto/index.js";
 import { isEmptyBuffer } from "../../util.js";
 import { createIdentityHandler } from "./identity.js";
-import { DecryptPage } from "../types.js";
+import type { DecryptPage } from "../types.js";
 import { getPageEncodingKey } from "../util.js";
 
 const KEY_OFFSET = 0x3e; // 62
diff --git a/src/codec-handler/handlers/office/EncryptionHeader.ts b/src/codec-handler/handlers/office/EncryptionHeader.ts
index a8959110..cc99b6ee 100644
--- a/src/codec-handler/handlers/office/EncryptionHeader.ts
+++ b/src/codec-handler/handlers/office/EncryptionHeader.ts
@@ -1,6 +1,6 @@
 import { isInRange } from "../../../util.js";
-import { CryptoAlgorithm, CRYPTO_ALGORITHMS } from "./CryptoAlgorithm.js";
-import { HashAlgorithm, HASH_ALGORITHMS } from "./HashAlgorithm.js";
+import { type CryptoAlgorithm, CRYPTO_ALGORITHMS } from "./CryptoAlgorithm.js";
+import { type HashAlgorithm, HASH_ALGORITHMS } from "./HashAlgorithm.js";
 
 const FLAGS_OFFSET = 0;
 const CRYPTO_OFFSET = 8;
diff --git a/src/codec-handler/handlers/office/EncryptionVerifier.ts b/src/codec-handler/handlers/office/EncryptionVerifier.ts
index dda7f66e..3cdcbaf1 100644
--- a/src/codec-handler/handlers/office/EncryptionVerifier.ts
+++ b/src/codec-handler/handlers/office/EncryptionVerifier.ts
@@ -1,4 +1,4 @@
-import { CryptoAlgorithm } from "./CryptoAlgorithm.js";
+import type { CryptoAlgorithm } from "./CryptoAlgorithm.js";
 
 // are those the same values for ECMA Standard?
 const SALT_SIZE_OFFSET = 138;
diff --git a/src/codec-handler/handlers/office/agile/EncryptionDescriptor.ts b/src/codec-handler/handlers/office/agile/EncryptionDescriptor.ts
index 3a27434c..2d15affc 100644
--- a/src/codec-handler/handlers/office/agile/EncryptionDescriptor.ts
+++ b/src/codec-handler/handlers/office/agile/EncryptionDescriptor.ts
@@ -1,5 +1,5 @@
 import { XMLParser } from "fast-xml-parser";
-import { EncryptionDescriptor } from "./types.js";
+import type { EncryptionDescriptor } from "./types.js";
 
 const xmlParser = new XMLParser({
     ignoreAttributes: false,
diff --git a/src/codec-handler/handlers/office/agile/index.ts b/src/codec-handler/handlers/office/agile/index.ts
index bec8b459..11823550 100644
--- a/src/codec-handler/handlers/office/agile/index.ts
+++ b/src/codec-handler/handlers/office/agile/index.ts
@@ -1,10 +1,10 @@
-import { CodecHandler, VerifyPassword } from "../../../index.js";
+import type { CodecHandler, VerifyPassword } from "../../../index.js";
 import { blockDecrypt, deriveKey, hash } from "../../../../crypto/index.js";
 import { fixBufferLength, roundToFullByte } from "../../../../util.js";
-import { DecryptPage } from "../../../types.js";
+import type { DecryptPage } from "../../../types.js";
 import { getPageEncodingKey } from "../../../util.js";
 import { parseEncryptionDescriptor } from "./EncryptionDescriptor.js";
-import { PasswordKeyEncryptor } from "./types.js";
+import type { PasswordKeyEncryptor } from "./types.js";
 
 const ENC_VERIFIER_INPUT_BLOCK = [0xfe, 0xa7, 0xd2, 0x76, 0x3b, 0x4b, 0x9e, 0x79];
 const ENC_VERIFIER_VALUE_BLOCK = [0xd7, 0xaa, 0x0f, 0x6d, 0x30, 0x61, 0x34, 0x4e];
diff --git a/src/codec-handler/handlers/office/index.ts b/src/codec-handler/handlers/office/index.ts
index 18374055..f4356557 100644
--- a/src/codec-handler/handlers/office/index.ts
+++ b/src/codec-handler/handlers/office/index.ts
@@ -3,7 +3,7 @@ import { createIdentityHandler } from "../identity.js";
 import { createAgileCodecHandler } from "./agile/index.js";
 import { EncryptionHeaderFlags, isFlagSet } from "./EncryptionHeader.js";
 import { createRC4CryptoAPICodecHandler } from "./rc4-cryptoapi.js";
-import { CodecHandler } from "../../types.js";
+import type { CodecHandler } from "../../types.js";
 
 const MAX_PASSWORD_LENGTH = 255;
 const CRYPT_STRUCTURE_OFFSET = 0x299;
@@ -41,27 +41,26 @@ export function createOfficeCodecHandler(databaseDefinitionPage: Buffer, passwor
 
         case "4.2":
         case "3.2":
-        case "2.2":
-            {
-                const flags = encryptionProviderBuffer.readInt32LE(4);
-                if (isFlagSet(flags, EncryptionHeaderFlags.FCRYPTO_API_FLAG)) {
-                    if (isFlagSet(flags, EncryptionHeaderFlags.FAES_FLAG)) {
-                        // Standard Encryption
-                        throw new Error("Not implemented yet");
-                    } else {
-                        try {
-                            // RC4 CryptoAPI Encryption
-                            return createRC4CryptoAPICodecHandler(encodingKey, encryptionProviderBuffer, passwordBuffer);
-                        } catch (e) {
-                            // Non Standard Encryption
-                        }
-
-                        throw new Error("Not implemented yet");
-                    }
+        case "2.2": {
+            const flags = encryptionProviderBuffer.readInt32LE(4);
+            if (isFlagSet(flags, EncryptionHeaderFlags.FCRYPTO_API_FLAG)) {
+                if (isFlagSet(flags, EncryptionHeaderFlags.FAES_FLAG)) {
+                    // Standard Encryption
+                    throw new Error("Not implemented yet");
                 } else {
-                    throw new Error("Unknown encryption");
+                    try {
+                        // RC4 CryptoAPI Encryption
+                        return createRC4CryptoAPICodecHandler(encodingKey, encryptionProviderBuffer, passwordBuffer);
+                    } catch (e) {
+                        // Non Standard Encryption
+                    }
+
+                    throw new Error("Not implemented yet");
                 }
+            } else {
+                throw new Error("Unknown encryption");
             }
+        }
 
         case "1.1":
             // RC4 Encryption: 1.1
diff --git a/src/codec-handler/handlers/office/rc4-cryptoapi.ts b/src/codec-handler/handlers/office/rc4-cryptoapi.ts
index 7b0d124c..7ad39001 100644
--- a/src/codec-handler/handlers/office/rc4-cryptoapi.ts
+++ b/src/codec-handler/handlers/office/rc4-cryptoapi.ts
@@ -1,11 +1,11 @@
 import { createRC4Decrypter, decryptRC4, hash } from "../../../crypto/index.js";
 import { fixBufferLength, intToBuffer, roundToFullByte } from "../../../util.js";
-import { CodecHandler, DecryptPage } from "../../types.js";
+import type { CodecHandler, DecryptPage } from "../../types.js";
 import { getPageEncodingKey } from "../../util.js";
-import { CryptoAlgorithm, CRYPTO_ALGORITHMS } from "./CryptoAlgorithm.js";
-import { EncryptionHeader, parseEncryptionHeader } from "./EncryptionHeader.js";
+import { type CryptoAlgorithm, CRYPTO_ALGORITHMS } from "./CryptoAlgorithm.js";
+import { type EncryptionHeader, parseEncryptionHeader } from "./EncryptionHeader.js";
 import { parseEncryptionVerifier } from "./EncryptionVerifier.js";
-import { HashAlgorithm, HASH_ALGORITHMS } from "./HashAlgorithm.js";
+import { type HashAlgorithm, HASH_ALGORITHMS } from "./HashAlgorithm.js";
 
 const VALID_CRYPTO_ALGORITHMS: CryptoAlgorithm[] = [CRYPTO_ALGORITHMS.RC4];
 const VALID_HASH_ALGORITHMS: HashAlgorithm[] = [HASH_ALGORITHMS.SHA1];
diff --git a/src/column.ts b/src/column.ts
index 844aa9db..17c95b15 100644
--- a/src/column.ts
+++ b/src/column.ts
@@ -1,4 +1,4 @@
-import { ColumnType, ColumnTypes } from "./types.js";
+import { type ColumnType, ColumnTypes } from "./types.js";
 
 export interface Column {
     /**
diff --git a/src/crypto/blockDecrypt.ts b/src/crypto/blockDecrypt.ts
index 7ccbb4b1..a388254e 100644
--- a/src/crypto/blockDecrypt.ts
+++ b/src/crypto/blockDecrypt.ts
@@ -1,5 +1,5 @@
 import { createDecipheriv } from "../environment/index.js";
-import { Cipher } from "./types.js";
+import type { Cipher } from "./types.js";
 
 export function blockDecrypt(cipher: Cipher, key: Buffer, iv: Buffer, data: Buffer): Buffer {
     const algorithm = `${cipher.algorithm}-${key.length * 8}-${cipher.chaining.slice(-3)}`;
diff --git a/src/data/index.ts b/src/data/index.ts
index 9faab4dc..c879c160 100644
--- a/src/data/index.ts
+++ b/src/data/index.ts
@@ -1,6 +1,6 @@
-import { Column, ColumnDefinition } from "../column.js";
+import type { Column, ColumnDefinition } from "../column.js";
 import { Database } from "../Database.js";
-import { ColumnType, ColumnTypes, Value, ValueMap } from "../types.js";
+import { type ColumnType, ColumnTypes, type Value, type ValueMap } from "../types.js";
 import { readBigInt } from "./bigint.js";
 import { readBinary } from "./binary.js";
 import { readByte } from "./byte.js";
diff --git a/src/data/memo.ts b/src/data/memo.ts
index f4d0e2e0..3bbdc265 100644
--- a/src/data/memo.ts
+++ b/src/data/memo.ts
@@ -1,4 +1,4 @@
-import { Column } from "../index.js";
+import type { Column } from "../index.js";
 import { Database } from "../Database.js";
 import { uncompressText } from "../unicodeCompression.js";
 
diff --git a/src/data/numeric.ts b/src/data/numeric.ts
index 5b0b2245..019a7627 100644
--- a/src/data/numeric.ts
+++ b/src/data/numeric.ts
@@ -1,5 +1,5 @@
 import { addArray, multiplyArray, toArray } from "../array.js";
-import { Column } from "../column.js";
+import type { Column } from "../column.js";
 import { buildValue } from "./util.js";
 
 const MAX_PRECISION = 40;
diff --git a/src/data/ole.ts b/src/data/ole.ts
index 4ed67518..21d26b1f 100644
--- a/src/data/ole.ts
+++ b/src/data/ole.ts
@@ -1,4 +1,4 @@
-import { Column } from "../column.js";
+import type { Column } from "../column.js";
 import { Database } from "../Database.js";
 
 /**
diff --git a/src/data/text.ts b/src/data/text.ts
index 73f9da0e..fbb879ee 100644
--- a/src/data/text.ts
+++ b/src/data/text.ts
@@ -1,4 +1,4 @@
-import { Column } from "../index.js";
+import type { Column } from "../index.js";
 import { Database } from "../Database.js";
 import { uncompressText } from "../unicodeCompression.js";
 
diff --git a/src/unicodeCompression.ts b/src/unicodeCompression.ts
index bc83ec0b..2661719f 100644
--- a/src/unicodeCompression.ts
+++ b/src/unicodeCompression.ts
@@ -1,4 +1,4 @@
-import { JetFormat } from "./JetFormat/index.js";
+import type { JetFormat } from "./JetFormat/index.js";
 import { decodeWindows1252 } from "./dependencies/iconv-lite/index.js";
 
 /**
diff --git a/tsconfig.browser.json b/tsconfig.browser.json
index 5d8aed38..5ccf6614 100644
--- a/tsconfig.browser.json
+++ b/tsconfig.browser.json
@@ -4,7 +4,8 @@
         "outDir": "lib/browser",
         "module": "Node16",
         "moduleResolution": "node16",
-        "declaration": false
+        "declaration": false,
+        "verbatimModuleSyntax": true
     },
     "files": ["src/index.ts", "typings/browserify-aes.d.ts", "typings/create-hash.d.ts"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index 9626a168..6b1ebf40 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,8 @@
         "module": "Node16",
         "moduleResolution": "node16",
         "declaration": true,
-        "declarationDir": "lib/types"
+        "declarationDir": "lib/types",
+        "verbatimModuleSyntax": true
     },
     "files": ["src/index.ts"]
 }