> For the complete documentation index, see [llms.txt](https://preapproval-guide.imda.gov.sg/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://preapproval-guide.imda.gov.sg/pre-approval-guide/stage-2-vendor-application/preparing-submission/file-upload-requirements.md).

# File Upload Requirements

### Overview

This page provides comprehensive guidelines for uploading files to the Vendor Management Portal. Please review these requirements carefully to ensure your files are accepted by the system.

### File Size Limits

* **Maximum file size per upload:** 10MB
* Files exceeding this limit will be rejected automatically

### Accepted File Formats

The system accepts the following file types:

* **Documents:** .docx, .doc, .txt, .csv, .pdf
* **Spreadsheets:** .xlsx, .xls
* **Images:** .jpg, .jpeg, .bmp, .gif
* **Email files:** .msg

#### Security Restrictions

For security purposes, executable files are automatically blocked, including:

* .exe files
* .dll files
* Other executable file types

#### Special Requirements

**Financial Statements:** Must be uploaded as PDF files only. No other file formats will be accepted for financial documentation.

### File Naming Rules

Your file names must comply with the following requirements:

#### Character Limits

* File names must not exceed **100 characters**

#### Allowed Characters

File names may only contain:

* Uppercase letters (A-Z)
* Lowercase letters (a-z)
* Numbers (0-9)
* Spaces
* Selected special characters: **\_ ( ) \[ ] –**

#### Prohibited Characters

Files with names containing other special characters or symbols will be rejected.

### Multiple File Upload Guidelines

#### Same Upload Field

When uploading multiple files to the same field, each file must have a **unique name**. You cannot use identical file names within a single upload field.

#### Different Upload Fields

You may reuse file names across different single-file upload fields throughout your application.

**Example:** You could name multiple screenshots "system screenshot" if they are being uploaded to separate single-file fields.

### Tips for Successful Uploads

* Check your file size before uploading
* Verify your file format is supported
* Ensure file names follow the naming conventions
* Use descriptive but concise file names
* For financial statements, convert to PDF format before uploading


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