> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wissly.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Indexing Issues

> Solutions when documents fail to index or errors occur

If you've connected a folder but documents aren't being found or indexing errors occur, check the following.

## Symptom: Specific Document Not Found in Search

### 1. Indexing Still in Progress

<Check>
  Check progress status in Folder List. Processing may take longer for large documents.
</Check>

### 2. Unsupported File Format

<Info>
  **Supported formats:** PDF, Word, Excel, PowerPoint, HWP, text files

  Unsupported formats are not indexed.
</Info>

### 3. Corrupted File

<Check>
  Try opening the file in another program to verify it's not corrupted. Corrupted files cannot be indexed.
</Check>

### 4. Password-Protected File

<Warning>
  Password-protected documents cannot be read and are not indexed.
</Warning>

## Symptom: Error During Indexing

<Steps>
  <Step title="Check Error Details">
    Click the error indicator in Folder List to see details.
  </Step>

  <Step title="Take Action by Cause">
    Check the error cause for each file and take appropriate action.
  </Step>
</Steps>

## Symptom: Indexing Takes Too Long

* Large files or documents with many images take longer.
* Network drive connection speed affects indexing time.
* Start with smaller folders first, then gradually add more.

## Retry Indexing

To retry indexing a folder, click the **Refresh** button in the Folder List.

<Card title="Search Result Issues" icon="magnifying-glass" href="/en/troubleshooting/search-issues">
  Solutions when search results don't match expectations
</Card>