Outlook offers a built in repair option that helps users to diagnose and repair corrupt or damaged PST or OST files. This in built Outlook recovery tool is also known as ScanPST.exe, and it is installed on machine as soon as the user installs Outlook as mail client. The main purpose of (ScanPST.exe) is to diagnose and repair PST / OST file errors. As the name suggests, the Inbox Repair tool. It only scans the PST and OST files, not the entire mailbox on the server. By scanning the PST, the tool checks whether the file structure is intact. If it finds the problem somewhere in the file structure, then it will first reset the structure and then rebuild the headers. Now, the first step is to find and download ScanPST.exe utility.
ScanPST.exe, also known as the Inbox Repair tool, is available on Vista, XP, Windows 7, 8, 8.1, 10, and 11. Download ScanPST.exe for your MS Outlook version (Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, Outlook (97/98)) to local system for Windows 32 bit and 64 bit.
Microsoft Outlook is available in different versions, and depending on the combination of Outlook and Windows OS versions, the location of ScanPST.exe file also varies. Here is the table showing location of ScanPST in different versions of Outlook accounts. Finding location of ScanPST.exe has become simple. Inbox Repair tool locations are properly listed according to MS Outlook editions from latest Outlook 365 to all previous versions. Users can visit the specified location and download ScanPST.exe utility.
| Microsoft Outlook Version | ScanPST.exe Location for Win 11, 10, 8, 8.1, XP, 7, etc. |
| Outlook 97 / Outlook 98 | C:\Program Files\Common Files\Windows Messaging\scanpst.exe |
| Outlook 2000 | C:\Program Files\Common Files\System\MAPI\<locale ID>\NT\scanpst.exe |
| Outlook 2002/XP | C:\Program Files\Common Files\System\MAPI\<locale ID>\scanpst.exe |
| Outlook 2003-32 Bit Windows | C:\Program Files\Common Files\System\MSMAPI\<locale ID>\scanpst.exe |
| Outlook 2003-64 Bit Windows | C:\Program Files (x86)\Common Files\System\MSMAPI\<locale ID>\scanpst.exe |
| Outlook 2007-32 Bit Windows | C:\Program Files\Microsoft Office\Office12 |
| Outlook 2007-64 Bit Windows | C:\Program Files (x86)\Microsoft Office\Office12 |
| Outlook 2013-32 Bit Windows | C:\Program Files\Microsoft Office\Office15 |
| Outlook 2013-64 Bit Windows | C:\Program Files (x86)\Microsoft Office\Office15 |
| Outlook 2016-32 Bit Windows (Click to Run) | C:\Program Files\Microsoft Office\root\Office16 |
| Outlook 2016-64 Bit Windows (Click to Run) | C:\Program Files (x86)\Microsoft Office\root\Office16 |
| Office 365 / Outlook 2019 / Outlook 365 | C:\Program Files\Microsoft Office\root\office16\ |
C:\Program Files\Microsoft Office\OFFICE**, double click the Scanpst.exe and open it
Location of ScanPST.exe tool depends on the Outlook version. (Each editions, such as Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021 (Outlook 365) has different locations.

To select and upload the file click on Browse button.

Click on Start button to initiate the scanning of uploaded PST / OST files.

After completion of scanning process of Outlook data file, it shows the existing error in the file and provides option to repair the file.
Here, in the same window, the user can check and back up scanned file before repairing. Users can provide backup name and its location to save. This will save a copy of original PST / OST data file at the required location without making any changes to it.
The PST file is the database file of Outlook and Internal Repair Tool that basically corrects and validates errors in the database file. So, the Scanpst actually validates and corrects the internal data structure of .pst file. Therefore, structures like Btrees and reference counts are primarily checked and repaired whenever it is necessary.
Firstly, download scanpst, and it will minutely examine every folder in .pst file and perform the following operations
Suggestion: If you are still getting same errors and scanpst.exe unable to sort out your PST corruption issues that time an external Outlook Recovery Software can be used. It will work in all corruption situations and fix PST file issues in less time and less effort. This tool is one of the most effective way to repair PST file without ScanPST.exe
Quick Suggestion for OST File Corruption
If users are encountering errors due to a damaged OST file, use the SysTools OST Recovery Tool. This is the best solution to recover deleted emails from OST file, as well as other items. This software supports all types of files, including orphaned, damaged, and inaccessible files. This Repair OST File tool can restore all data from an OST file to healthy formats such as PDF, PST, MSG, EML, HTML, and Office 365.
If both formats (PST and OST) are damaged, then go for the Pro solution instead of separate solutions. Try its free demo version now.
Find Exact Location of and download scanpst.exe for Outlook 2016 :
Location of ScanPST.exe in Office 2019 version is: C:> Program Files > Microsoft Office > root > office16
Download Inbox Repair tool and easily fix issues without any data loss.
Find the Exact Location and download Scanpst.exe for Outlook 2021, 2019, 2016, 2013, 2010, 2007.
Go to ScanPST (Inbox Repair Tool) location: C:> Program Files > Microsoft Office > Office16
Double click on the ScanPST.exe and it gets open in your Windows OS system.
Find Precise Location of scanpst.exe for Outlook 2013 :
Find Accurate Location of Inbox Repair tool for Outlook 2010:
Find Exact Location of scanpst.exe in outlook 2007 :