Aryson Access Database Recovery Software

Fix Corrupt Access Database showing "Unrecognized Database Format"

Client Rating :   (Average Rating 5 Based on 5 Reviews)

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Access Database Recovery software provided by Aryson is the preeminent solution for Microsoft Access users. It can successfully fix corrupt Access database showing "unrecognized database format" and other error messages. Also, it smartly handles header corruption and data misalignment issues in the corrupt Access database. Via this Access Repair tool, you can restore Access database objects from corrupt Access database files created by any version of MS Access. It can repair MDB file of MS Access 2003 & earlier versions, and repair ACCDB file of MS Access 2007 & later versions. For technicians and administrators, MDB Repair tool is available with console-based version.

  • Repair ACCDB file and repair MDB file created by all MS Access versions
  • Restore database objects from corrupt Access database including OLE, MEMO & BLOB data
  • Successfully fix header corruption and data misalignment issues in corrupt Access database
  • Standard and Advanced recovery modes for extreme corruption cases
  • Facilitate recovery of systemtables and deleted records from corrupt Access database
  • Smart tree-structure preview of recovered data before saving them
  • LOG file creation for Access database recovery process
  • Easy-to-use application for non-technical users having no prior technical expertise
  • Available with CLI version for technician and database administrators

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Unmatched Features for Complete Access Database Recovery

Repair Access Database
Repair Access Database

MDB Repair tool can repair Access database file with utmost accuracy. It can repair MDB file and ACCDB file created by all major versions of MS Access, such as 2000, 2002, 2003, 2007, 2010, 2013 and 2016.

Restore Access Database Objects
Restore Access Database Objects

Aryson Access Database Recovery software can restore Access database objects like tables, queries, indexes, relations, etc.from corrupt Access database. All the recovered objects are saved into a new database file.

Dual Recovery Modes
Dual Recovery Modes

There are two recovery modes in this MDB recovery software to handle different level of corruption. In case of minor corruption, you should choose Standard Mode of recovery. And if corruption is severe and the standard mode fails, you should choose Advanced Mode.

Auto-Detection
Auto-Detection

Before scanning the corrupt Access database, you must select its correct file version. Software has an auto-detect feature that can detect the correct version of your corrupt Access database file.

Tables and& Deleted Records Recovery
Tables & Deleted Records Recovery

If you want to recover system tables and deleted records from corrupt Access database, you should check Show System Tables and Show Deleted Records boxes before the scanning process.

Tree-Structure Preview
Tree-Structure Preview

Once the scanning process is completed, it shows the preview of your data in a tree-structure view. You can expand the folders in the tree-structure to check what you can actually recover from the corrupt Access database. Also, you need to define what you want to save and where you want to save.

LOG Creation
LOG Creation

You can also create a LOG file of Access database recovery process. The LOG file is created in TXT format containing all the information of file scanning and recovery. You can save this LOG file at any location on your system.

User-friendly Interface
User-friendly Interface

The user-interface of Access Repair tool is highly interactive and friendly for both technical and non-technical users. It requires no prior technical expertise to use this software.

Available with CLI Version
Available with CLI Version

Other than GUI based application, it's available with CLI (command-line interface) console-based version for technicians and administrators.

Windows Compatibility
Windows Compatibility

Being a Windows system utility, it smoothly runs under all major Windows-based operating systems, such as Win XP, 2003, Vista, Win 7, Win 8 and the latest Win 10.


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Technical Overview

Different page types in Access database

Access database has different page types which are given below:

  • Database Definition Page: An Access database, be it MDB or ACCDB, always starts with a variable length header called Database Definition Page. Different objects are contained in a database definition page, such as Jet version, encryption keys, and name of the creating program.
  • Table Definition Page: The table definition page is always found on page 2 of the Access database, and it belongs to MSYSOBJECT table. In an Access database file, every single table has a table definition page containing definition of the columns, types, sizes, indexes, and similar information.
  • Data Page: A data page stores all the records or data rows of an Access database file. An array of bytes with a given length is called record. Its content should be interpreted according to the data page type. Basically there are two data page types:
    1. Table Row Page: In a table row page, every record corresponds to a row in a table. The record contains the contents of all fixed length columns as well as all variable length columns.
    2. Long Value Page (LVAL):In a row, the total number of characters is limited by the database page size. There are MEMO and OLE fields to store longer texts and files. The Long Value Page (LVAL) contains data of MEMO or OLE fields. They can easily contain up to 1 GB of data. There are two types of records in Long Value Page:
      • Type 1 records: to store data only
      • Type 2 recordsto: store a part of the data like a linked list, and point to the next long value page record.
  • Index Page: There are two types of index page:
    1. Leaf Index Page: The leaf pages are 0x04 pages containing one entry for each row in the table.
    2. Intermediate Index Page: The intermediate pages are 0x03 pages which create the rest of the index tree and contain a flag.
    3. Page Usage Bitmaps: The page usage bitmaps have different functions. The page 1 stores a global page usage to track the allocated pages throughout the database. The tables in an Access database store two page usage bitmaps. The first is the straight map of the pages owned by the table. And the second one is a map of the pages owned by the table having free space. A table map bitmap is always fixed size for both Jet3 (128-bytes) and Jet4 (64-bytes).

Common reasons for Access database corruption

Like any other database file, an Access database file is prone to corruption. Corruption can make your Access database inaccessible and put your invaluable data at high risk. Few most common reasons for Access database corruption are given below:

  1. Virus Infection: Since no computer file is immune to virus infection, it's one of the top most reasons for corruption in computer files. Access database files are highly prone to virus infection and they can be infected by virus attack at any point of time. Virus is a computer program that can easily edit, modify or delete some part of your file in order to make it accessible or corrupt.
  2. Abruptly System Shutdown: Abruptly system shutdown is very harmful for your computer system as well as its data. It can cause severe damage in both ways, physically and logically. Also, you can face corruption or data loss in such situation.
  3. Storage Media Failure: Storage media failure may occur due to various reasons, but it always results in data loss. It also refers to hard disk crash that can lead to file corruption.
  4. Improper Synchronization: Data synchronization refers to a process of synchronizing a single set of data between two or more devices. Its primary function is to establish consistency among data from a source to the target data storage and from the target data storage to a source. If any interruption takes place in synchronization process or if it's performed improperly, the Access database file may get corrupt.
  5. Software Malfunction: The primary reason of software malfunction is internal bugs. Another common reason includes the collision of a software application with other installed applications. Software malfunction can cause severe issues including corruption.
  6. Human Errors: Humans are bound to make mistakes. And such mistakes in computers can cause severe issues. Human errors include closing the MS Access program forcefully, adding invalid content in the Access database, editing or modifying the database with Hex editor, deleting the crucial system files, etc.

List of common error messages

Whenever corruption takes place in Access database, it shows error messages when you try to open or access it. Some of the most common error messages are:

  • Unrecognized database format FileName.mdb. (Error 3343)
  • The database 'filename.mdb' needs to be repaired or isn't a database file. (Error 2239)
  • Microsoft Access has detected corruption in this file.
  • Cannot open database FileName.mdb'. It may not be a database that your application recognizes, or the file may be corrupt. (Error 3049)
  • The Microsoft jet database engine stopped the process because you and another user are attempting to change the same data at the same time. (Error 3011)
  • The database is in an unexpected state.
  • Record(s) cannot be read; no read permission on xxxx. (Error 3312)
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Comparision of Demo & Full Version

Product Features Demo Version Full Version
Repair Access database files saved with MDB & ACCDB extensions
Restore tables, queries, indexes, and relations from corrupt Access database files
Also support recovery of crucial database objects like OLE, MEMO and BLOB
Smart support for system tables and deleted records recovery
Save Recovered Backup Data
24*7 Tech Support & secure 100%
Price Free $65
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Your Questions Our Answers

Access Repair tool smartly works with all corruption error messages and successfully fixes them. If you're receiving this "Unrecognized Database Format" error message, this means the Access database file is corrupt. Due to corruption or some invalid form of data in the Access database file, Microsoft Access program fails to recognize the database format. To fix this error message, you can use this Access Database Recovery software.

Via this software, you can restore tables, queries, indexes, relations, etc. from corrupt database. Also, it supports recovery of OLE, MEMO and BLOB data. Some data types include: Big binary, Binary, Bit, Counter, Currency, Date/Time, GUID, Long Binary, Long text, Number (FieldSize= SINGLE), Number (FieldSize= DOUBLE), Number (FieldSize= BYTE), Number (FieldSize= INTEGER), Number (FieldSize= LONG INTEGER), Numeric, Text, Varbinary, etc.

Yes, this Access Database Recovery software supports all versions of MS Access program. It supports both MDB and ACCDB files created by MS Access 97, 98, 2000, 2002, 2003, 2007, 2010, 2013 and the latest 2016.

It's hard to detect the level of corruption in Access database. Since there are two recovery modes in this software to handle different level of corruption, you should perform Access database recovery via those two modes one by one. First, you should choose Standard Mode of recovery. If it successfully scans the corrupt Access database file and shows your maximum possible data in the preview session, this means corruption is minor. But if the standard mode fails to perform maximum possible recovery, this means corruption is severe and you should now choose Advanced Mode of recovery. In advanced mode, software thoroughly scans the corrupt Access database and restores maximum possible data from it. It may take more time in scanning than standard mode.

Yes, preview feature in enabled in this MDB Repair tool. After a successful scanning of corrupt Access database, it generates a tree-structure preview of all your recovered database objects. You can expand the files and folders in the tree-structure to see what you can actually recover from the corrupt Access database file.


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